Papers

Publications, preprints, and research records.

Refreshed 2026-07-10.

Complete publication record

2026 6 works
  1. Self-regularized entropy: What does black hole entropy predict for tests of Kerr no-hair theorem?

    Shokoufe Faraji, Niayesh Afshordi

    Classical and Quantum Gravity (CQG), June 2026arXivDOI
  2. Thermal Sunyaev-Zel'dovich cross-correlations with unWISE galaxies: disentangling radio contamination, dust properties, and electron pressure

    Guandi Zhao, Alex Krolewski, Niayesh Afshordi

    PreprintarXiv
  3. Exploring Born-Infeld f(T) teleparallel gravity through accretion disk dynamics

    Ruijing Tang, Shokoufe Faraji, Niayesh Afshordi

    Phys. Rev. D 113, 123021 (2026)arXivDOI
  4. Big Mysteries Survey: Physicists' Views on Cosmology, Black Holes, Quantum Mechanics, and Quantum Gravity

    Niayesh Afshordi, Phil Halper, Matteo Rini, Michael Schirber

    PreprintarXiv
  5. Ultraviolet Completion of the Big Bang in Quadratic Gravity

    Ruolin Liu, Jerome Quintin, Niayesh Afshordi

    Phys. Rev. Lett. 136, 111501 (2026)arXivDOI
  6. Black hole spectroscopy: from theory to experiment

    Emanuele Berti, Vitor Cardoso, Gregorio Carullo, Jahed Abedi, Niayesh Afshordi, Simone Albanesi, Vishal Baibhav, Swetha Bhagwat, José Luis Blázquez-Salcedo, Béatrice Bonga + 58 collaborators

    Class. Quant. Grav. 43, 123001 (2026)arXivDOI
2025 11 works
  1. Smart Holes: Analogue black holes with the right temperature and entropy

    Jiayue Yang, Niayesh Afshordi, Mahdi Torabian, Seyed Akbar Jafari, G. Baskaran

    JHEP 07, 226 (2025)arXivDOI
  2. Where are all the dark galaxies? Predicting galaxy/halo locations from their bright neighbors

    Alice Chen, Niayesh Afshordi

    PreprintarXiv
  3. A semiclassical model of the immediate temperature distribution surrounding the track of heavy ions with therapeutic energies

    Martin Rädler, Niayesh Afshordi, Reza Taleei, Katia Parodi, Ramin Abolfath, Julie Lascaud

    Physics in Medicine & BiologyDOI
  4. Copenhagen Survey on Black Holes and Fundamental Physics

    Alice Y. Chen, Phil Halper, Niayesh Afshordi

    PreprintarXiv
  5. Doppler bias: impact of peculiar velocities on color selection and the large scale structure of galaxy surveys

    Batia Friedman-Shaw, Alex Krolewski, Matteo Foglieni, Niayesh Afshordi

    JCAP 03, 059 (2025)arXivDOI
  6. Conformal Cores of Quantum Black Holes in Quadratic Gravity

    Ruolin Liu, Jerome Quintin, Niayesh Afshordi

    Phys. Rev. D 111, 044031 (2025)arXivDOI
  7. Formulating the complete initial boundary value problem in numerical relativity to model black hole echoes

    Conner Dailey, Erik Schnetter, Niayesh Afshordi

    Class. Quant. Grav. 42, 025002 (2025)arXivDOI
  8. Accelerated detector in a superposed spacetime

    Lakshay Goel, Everett A. Patterson, María Rosa Preciado-Rivas, Mahdi Torabian, Robert B. Mann, Niayesh Afshordi

    Phys. Rev. D 111, 025015 (2025)arXivDOI
  9. A glitch in gravity: cosmic Lorentz-violation from fiery Big Bang to glacial heat death

    Robin Y. Wen, Lukas T. Hergt, Niayesh Afshordi, Douglas Scott

    Astrophys. Space Sci. Proc. 61, 435 (2025)arXivDOI
  10. Waveform Modelling for the Laser Interferometer Space Antenna

    LISA Consortium Waveform Working Group, Niayesh Afshordi, Sarp Akçay, Pau Amaro Seoane, Andrea Antonelli, Josu C. Aurrekoetxea, Leor Barack, Enrico Barausse, Robert Benkel, Laura Bernard + 137 collaborators

    Living Rev. Rel. 28, 9 (2025)arXivDOI
  11. Quantum black holes: from regularization to information paradoxes

    Niayesh Afshordi, Stefano Liberati

    Gen. Rel. Grav. 57, 25 (2025)DOI
2024 7 works
  1. Simulating Self-Lensing and Eclipsing Signals due to Detached Compact Objects in the TESS Light Curves

    Sedighe Sajadian, Niayesh Afshordi

    The Astronomical JournalarXivDOI
  2. Black Holes Inside and Out 2024: visions for the future of black hole physics

    Niayesh Afshordi, Abhay Ashtekar, Enrico Barausse, Emanuele Berti, Richard Brito, Luca Buoninfante, Raúl Carballo-Rubio, Vitor Cardoso, Gregorio Carullo, Mihalis Dafermos + 20 collaborators

    PreprintarXiv
  3. Detecting cosmological scalar fields using orbital networks of quantum sensors

    Yu Li, Ruolin Liu, Conner Dailey, Niayesh Afshordi

    Phys. Rev. D 110, 043028 (2024)arXivDOI
  4. A molecular dynamics simulation of the abrupt changes in the thermodynamic properties of water after formation of nano-bubbles / nano-cavities induced by passage of charged particles

    Ramin Abolfath, Niayesh Afshordi, Sohrab Rahvar, Adri van Duin, Martin Radler, Reza Taleei, Katia Parodi, Julie Lascaud, Radhe Mohan

    Eur. Phys. J. D (2024) 78: 141arXivDOI
  5. Effective Cuscuton Theory

    M. Mylova, N. Afshordi

    JHEP 04, 144 (2024)arXivDOI
  6. A cosmic glitch in gravity

    Robin Y. Wen, Lukas T. Hergt, Niayesh Afshordi, Douglas Scott

    JCAP 03, 045 (2024)arXivDOI
  7. Spectrogram correlated stacking: A novel time-frequency domain analysis of the Stochastic Gravitational Wave Background

    Ramit Dey, Luís Felipe Longo Micchi, Suvodip Mukherjee, Niayesh Afshordi

    Phys. Rev. D 109, 023029 (2024)arXivDOI
2023 6 works
  1. Reflecting boundary conditions in numerical relativity as a model for black hole echoes

    Conner Dailey, Niayesh Afshordi, Erik Schnetter

    Class. Quant. Grav. 40, 195007 (2023)arXivDOI
  2. GW190521: Search for Echoes due to Stimulated Hawking Radiation from Black Holes

    Jahed Abedi, Luís Felipe Longo Micchi, Niayesh Afshordi

    Phys. Rev. D 108, 044047 (2023)arXivDOI
  3. On the Outskirts of Dark Matter Haloes

    Alice Chen, Niayesh Afshordi

    Phys. Rev. D 107, 103526 (2023)arXivDOI
  4. Model-independent search for the quasinormal modes of gravitational wave echoes

    Di Wu, Pengyuan Gao, Jing Ren, Niayesh Afshordi

    Phys. Rev. D 108, 124006 (2023)arXivDOI
  5. From Entropy to Echoes: Counting the quasi-normal modes and the quantum limit of silence

    Naritaka Oshita, Niayesh Afshordi

    Phys. Lett. B 841, 137901 (2023)arXivDOI
  6. Scale-invariance at the core of quantum black holes

    Johanna N. Borissova, Aaron Held, Niayesh Afshordi

    Class. Quant. Grav. 40, 075011 (2023)arXivDOI
2022 7 works
  1. Lower bound on the cosmological constant from the classicality of the Early Universe

    Niayesh Afshordi, João Magueijo

    Phys. Rev. D 106, 123518 (2022)arXivDOI
  2. Detection of Gravitational Waves using Parametric Resonance in Bose-Einstein Condensates

    Matthew P. G. Robbins, Niayesh Afshordi, Alan O. Jamison, Robert B. Mann

    Class. Quant. Grav. 39, 175009 (2022)arXivDOI
  3. The effect of non-ionizing excitations on the diffusion of ion species and inter-track correlations in FLASH ultra-high dose rate radiotherapy

    Ramin Abolfath, Alexander Baikalov, Stefan Bartzsch, Niayesh Afshordi, Radhe Mohan

    Physics in Medicine & Biology 67, 105005 (2022)arXivDOI
  4. New Horizons for Fundamental Physics with LISA

    K. G. Arun, Enis Belgacem, Robert Benkel, Laura Bernard, Emanuele Berti, Gianfranco Bertone, Marc Besancon, Diego Blas, Christian G. Böhmer, Richard Brito + 131 collaborators

    Living Rev. Rel. 25, 4 (2022)arXivDOI
  5. A Universal Profile for Stacked Filaments from Cold Dark Matter Simulations

    Tianyi Yang, Michael J. Hudson, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 516, 6041 (2022)arXivDOI
  6. Non-Gaussian Signatures of a Thermal Big Bang

    Maria Mylova, Marianthi Moschou, Niayesh Afshordi, João Magueijo

    JCAP 07, 005 (2022)arXivDOI
  7. Spacing Statistics of Energy Spectra: Random Matrices, Black Hole Thermalization, and Echoes

    Krishan Saraswat, Niayesh Afshordi

    JHEP 04, 017 (2022)arXivDOI
2021 6 works
  1. Boltzmann Meets Lorentz: A Surrogate Model for Black Hole Echoes

    Randy S. Conklin, Niayesh Afshordi

    PreprintarXiv
  2. How loud are echoes from exotic compact objects?

    Luis Felipe Longo Micchi, Niayesh Afshordi, Cecilia Chirenti

    Phys. Rev. D 103, 044028 (2021)arXivDOI
  3. Electromagnetic Albedo of Quantum Black Holes

    Wan Zhen Chua, Niayesh Afshordi

    JHEP 07, 006 (2021)arXivDOI
  4. Lifshitz scaling, ringing black holes, and superradiance

    Naritaka Oshita, Niayesh Afshordi, Shinji Mukohyama

    JCAP 05, 005 (2021)arXivDOI
  5. Multimessenger Cosmology: correlating CMB and SGWB measurements

    Peter Adshead, Niayesh Afshordi, Emanuela Dimastrogiovanni, Matteo Fasiello, Eugene A. Lim, Gianmassimo Tasinato

    Phys. Rev. D 103, 023532 (2021)arXivDOI
  6. Extracting Hawking Radiation Near the Horizon of AdS Black Holes

    Krishan Saraswat, Niayesh Afshordi

    JHEP 02, 077 (2021)arXivDOI
2020 14 works
  1. Quantum Black Hole Seismology I: Echoes, Ergospheres, and Spectra

    Naritaka Oshita, Daichi Tsuna, Niayesh Afshordi

    Phys. Rev. D 102, 024045 (2020)arXivDOI
  2. Diverse local epidemics reveal the distinct effects of population density, demographics, climate, depletion of susceptibles, and intervention in the first wave of COVID-19 in the United States

    Niayesh Afshordi, Benjamin Holder, Mohammad Bahrami, Daniel Lichtblau

    PreprintarXivDOI
  3. Amending the halo model to satisfy cosmological conservation laws

    Alice Y. Chen, Niayesh Afshordi

    Phys. Rev. D 101, 103522 (2020)arXivDOI
  4. Quantum Black Holes in the Sky

    Jahed Abedi, Niayesh Afshordi, Naritaka Oshita, Qingwen Wang

    Universe 6, 43 (2020)arXivDOI
  5. Echoes from the Abyss: A Status Update

    Jahed Abedi, Niayesh Afshordi

    PreprintarXiv
  6. Echoes in the Kerr/CFT correspondence

    Ramit Dey, Niayesh Afshordi

    Phys. Rev. D 102, 126006 (2020)arXivDOI
  7. Quantum Black Hole Seismology II: Applications to Astrophysical Black Holes

    Naritaka Oshita, Daichi Tsuna, Niayesh Afshordi

    Phys. Rev. D 102, 024046 (2020)arXivDOI
  8. How dark are filaments in the cosmic web?

    Tianyi Yang, Michael J. Hudson, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 498, 3158 (2020)arXivDOI
  9. Prospects for Fundamental Physics with LISA

    Enrico Barausse, Emanuele Berti, Thomas Hertog, Scott A. Hughes, Philippe Jetzer, Paolo Pani, Thomas P. Sotiriou, Nicola Tamanini, Helvi Witek, Kent Yagi + 311 collaborators

    Gen. Rel. Grav. 52, 81 (2020)arXivDOI
  10. Echoes from the braneworld black holes

    Ramit Dey, Sumanta Chakraborty, Niayesh Afshordi

    Phys. Rev. D 101, 104014 (2020)arXivDOI
  11. Gravitational Potential from small-scale clustering in action space: Application to Gaia DR2

    Tianyi. Yang, Supranta Sarma Boruah, Niayesh. Afshordi

    Mon. Not. Roy. Astron. Soc. 493, 3061 (2020)arXivDOI
  12. Quantum Nature of Black Holes: Fast Scrambling versus Echoes

    Krishan Saraswat, Niayesh Afshordi

    JHEP 04, 136 (2020)arXivDOI
  13. On Reflectivity of Quantum Black Hole Horizons

    Naritaka Oshita, Qingwen Wang, Niayesh Afshordi

    JCAP 04, 016 (2020)arXivDOI
  14. Echoes from Quantum Black Holes

    Qingwen Wang, Naritaka Oshita, Niayesh Afshordi

    Phys. Rev. D 101, 024031 (2020)arXivDOI
2019 3 works
  1. On the origin of the LIGO "mystery" noise and the high energy particle physics desert

    Niayesh Afshordi

    PreprintarXiv
  2. Does History Repeat Itself? Periodic Time Cosmology

    Elizabeth Gould, Niayesh Afshordi

    JCAP 09, 058 (2019)arXivDOI
  3. Bose-Einstein Condensates as Gravitational Wave Detectors

    Matthew P. G. Robbins, Niayesh Afshordi, Robert B. Mann

    JCAP 07, 032 (2019)arXivDOI
2018 10 works
  1. Cosmological Tests of Everpresent $Λ$

    Nosiphiwo Zwane, Niayesh Afshordi, Rafael D. Sorkin

    Class. Quant. Grav. 35, 194002 (2018)arXivDOI
  2. Searching for dark matter annihilation from individual halos: uncertainties, scatter and signal-to-noise ratios

    Chiamaka Okoli, James E. Taylor, Niayesh Afshordi

    JCAP 08, 019 (2018)arXivDOI
  3. Probing microstructure of black hole spacetimes with gravitational wave echoes

    Naritaka Oshita, Niayesh Afshordi

    Phys. Rev. D 99, 044002 (2019)arXivDOI
  4. Cosmological Zero Modes

    Niayesh Afshordi, Matthew C. Johnson

    Phys. Rev. D 98, 023541 (2018)arXivDOI
  5. Cooling+Heating Flows in Galaxy clusters: Turbulent heating, spectral modelling, and cooling efficiency

    Mohammad H. Zhoolideh Haghighi, Niayesh Afshordi, Habib. G. Khosroshahi

    Astrophys. J. 884, 47 (2019)arXivDOI
  6. Black Hole Echology: The Observer's Manual

    Qingwen Wang, Niayesh Afshordi

    Phys. Rev. D 97, 124044 (2018)arXivDOI
  7. Forward modelling of quasar light curves and the cosmological matter power spectrum on milliparsec scales

    Mansour Karami, Niayesh Afshordi, Jesús Zavala

    ArXiv e-printsarXiv
  8. Instantaneous Temperatures à la Hadamard: Towards a generalized Stefan-Boltzmann law for curved spacetime

    Aditya Dhumuntarao, José Tomás Gálvez Ghersi, Niayesh Afshordi

    ArXiv e-printsarXiv
  9. Echoes from the Abyss: A highly spinning black hole remnant for the binary neutron star merger GW170817

    Jahed Abedi, Niayesh Afshordi

    JCAP 11, 010 (2019)arXivDOI
  10. Comment on: "Low significance of evidence for black hole echoes in gravitational wave data"

    Jahed Abedi, Hannah Dykaar, Niayesh Afshordi

    ArXiv e-printsarXiv
2017 10 works
  1. $H_0$ tension as a hint for a transition in gravitational theory

    Nima Khosravi, Shant Baghram, Niayesh Afshordi, Natacha Altamirano

    Phys. Rev. D 99, 103526 (2019)arXivDOI
  2. Echoes from the Abyss: Tentative evidence for Planck-scale structure at black hole horizons

    Jahed Abedi, Hannah Dykaar, Niayesh Afshordi

    Phys. Rev. D 96, 082004 (2017)arXivDOI
  3. Accretion in Radiative Equipartition (AiRE) Disks

    Yasaman K. Yazdi, Niayesh Afshordi

    Astrophys. J. 843, 22 (2017)arXivDOI
  4. Constraining holographic cosmology using Planck data

    Niayesh Afshordi, Elizabeth Gould, Kostas Skenderis

    Phys. Rev. D 95, 123505 (2017)arXivDOI
  5. Dynamical friction in the primordial neutrino sea

    Chiamaka Okoli, Morag I. Scrimgeour, Niayesh Afshordi, Michael J. Hudson

    Mon. Not. Roy. Astron. Soc. 468, 2164 (2017)arXivDOI
  6. Pulsar Timing Constraints on Physics Beyond the Standard Model

    Niayesh Afshordi, Hyungjin Kim, Elliot Nelson

    ArXiv e-printsarXiv
  7. Cosmological Perturbations in the 5D Holographic Big Bang Model

    Natacha Altamirano, Elizabeth Gould, Niayesh Afshordi, Robert B. Mann

    Fundam. Theor. Phys. 219, 205 (2025)arXivDOI
  8. Off-shell Dark Matter: A Cosmological relic of Quantum Gravity

    Mehdi Saravani, Niayesh Afshordi

    Phys. Rev. D 95, 043514 (2017)arXivDOI
  9. Echoes from the Abyss: The Holiday Edition!

    Jahed Abedi, Hannah Dykaar, Niayesh Afshordi

    ArXiv e-printsarXiv
  10. From Planck data to Planck era: Observational tests of Holographic Cosmology

    Niayesh Afshordi, Claudio Coriano, Luigi Delle Rose, Elizabeth Gould, Kostas Skenderis

    Phys. Rev. Lett. 118, 041301 (2017)arXivDOI
2016 7 works
  1. "Firewall" Phenomenology with Astrophysical Neutrinos

    Niayesh Afshordi, Yasaman K. Yazdi

    Class. Quant. Grav. 33, 235017 (2016)arXivDOI
  2. Temperatures of renormalizable quantum field theories in curved spacetime

    Morgan H. Lynch, Niayesh Afshordi

    Class. Quant. Grav. 35, 225008 (2018)arXivDOI
  3. The critical geometry of a thermal big bang

    Niayesh Afshordi, Joao Magueijo

    Phys. Rev. D 94, 101301 (2016)arXivDOI
  4. Cosmic Censorship in Lorentz Violating Theories of Gravity

    Michael Meiers, Mehdi Saravani, Niayesh Afshordi

    Phys. Rev. D 93, 104008 (2016)arXivDOI
  5. Cosmological bounds on TeV-scale physics and beyond

    Niayesh Afshordi, Elliot Nelson

    Phys. Rev. D 93, 083505 (2016)arXivDOI
  6. Concentration, Ellipsoidal Collapse, and the Densest Dark Matter haloes

    Chiamaka Okoli, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 456, 3068 (2016)arXivDOI
  7. Universal clustering of dark matter in phase space

    Jesus Zavala, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 457, 986 (2016)arXivDOI
2015 4 works
  1. A Non-Local Reality: Is there a Phase Uncertainty in Quantum Mechanics?

    Elizabeth S. Gould, Niayesh Afshordi

    Found. Phys. 45, 1620 (2015)arXivDOI
  2. Why is High Energy Physics Lorentz Invariant?

    Niayesh Afshordi

    ArXiv e-printsarXiv
  3. A holographic big bang?

    N. Afshordi, R.B. Mann, R. Pourhasan

    Int. J. Mod. Phys. D 24, 1544029 (2015)DOI
  4. The mass and radii of strongly magnetized neutron stars

    Farbod Kamiab, Avery E. Broderick, Niayesh Afshordi

    ArXiv e-printsarXiv
2014 11 works
  1. Emergent Spacetime in Stochastically Evolving Dimensions

    Niayesh Afshordi, Dejan Stojkovic

    Phys. Lett. B 739, 117 (2014)arXivDOI
  2. Horndeski meets McVittie: A scalar field theory for accretion onto cosmological black holes

    Niayesh Afshordi, Michele Fontanini, Daniel C. Guariento

    Phys. Rev. D 90, 084012 (2014)arXivDOI
  3. Schwinger Effect in 4D de Sitter Space and Constraints on Magnetogenesis in the Early Universe

    Takeshi Kobayashi, Niayesh Afshordi

    JHEP 10, 166 (2014)arXivDOI
  4. Thermal Tachyacoustic Cosmology

    Abhineet Agarwal, Niayesh Afshordi

    Phys. Rev. D 90, 043528 (2014)arXivDOI
  5. How does pressure gravitate? Cosmological constant problem confronts observational cosmology

    Ali Narimani, Niayesh Afshordi, Douglas Scott

    JCAP 08, 049 (2014)arXivDOI
  6. Clustering in the Phase Space of Dark Matter Haloes. II. Stable Clustering and Dark Matter Annihilation

    Jesus Zavala, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 441, 1329 (2014)arXivDOI
  7. Clustering in the Phase Space of Dark Matter Haloes. I. Results from the Aquarius simulations

    Jesus Zavala, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 441, 1317 (2014)arXivDOI
  8. Cosmological black holes from self-gravitating fields

    Elcio Abdalla, Niayesh Afshordi, Michele Fontanini, Daniel C. Guariento, Eleftherios Papantonopoulos

    Phys. Rev. D 89, 104018 (2014)arXivDOI
  9. Dynamical Emergence of Universal Horizons during the formation of Black Holes

    Mehdi Saravani, Niayesh Afshordi, Robert B. Mann

    Phys. Rev. D 89, 084029 (2014)arXivDOI
  10. Out of the White Hole: A Holographic Origin for the Big Bang

    Razieh Pourhasan, Niayesh Afshordi, Robert B. Mann

    JCAP 04, 005 (2014)arXivDOI
  11. Transient Weak-Lensing by Cosmological Dark Matter Microhaloes

    Sohrab Rahvar, Shant Baghram, Niayesh Afshordi

    Phys. Rev. D 89, 063001 (2014)arXivDOI
2013 3 works
  1. An Optimal and Model-Independent Measurement of the Intracluster Pressure Profile I: Methodology and First Applications

    Siavash Aslanbeigi, Guilhem Lavaux, Amir Hajian, Niayesh Afshordi

    Mon. Not. Roy. Astron. Soc. 435, 1788 (2013)arXivDOI
  2. First measurement of the bulk flow of nearby galaxies using the cosmic microwave background

    Guilhem Lavaux, Niayesh Afshordi, Michael J. Hudson

    Mon. Not. Roy. Astron. Soc. 430, 1617 (2013)arXivDOI
  3. An Optimal & Model-Independent Measurement of the Pressure Profile of Hot Gas in Clusters of Galaxies Using the SZ Effect

    Niayesh Afshordi

    SnowCLUSTER 2013, Physics of Galaxy Clusters
2012 6 works
  1. Empty Black Holes, Firewalls, and the Origin of Bekenstein-Hawking Entropy

    Mehdi Saravani, Niayesh Afshordi, Robert B. Mann

    Int. J. Mod. Phys. D 23, 1443007 (2015)arXivDOI
  2. Removal and mixing of the coronal gas from satellites in galaxy groups: cooling the intragoup gas

    Jesus Zavala, Michael L. Balogh, Niayesh Afshordi, Stephen Ro

    Mon. Not. Roy. Astron. Soc. 426, 3464 (2012)arXivDOI
  3. A Ground State for the Causal Diamond in 2 Dimensions

    Niayesh Afshordi, Michel Buck, Fay Dowker, David Rideout, Rafael D. Sorkin, Yasaman K. Yazdi

    JHEP 10, 088 (2012)arXivDOI
  4. Lithium Diffusion in the Post-Recombination Universe and Spatial Variation of [Li/H]

    Maxim Pospelov, Niayesh Afshordi

    ArXiv e-printsarXiv
  5. A Distinguished Vacuum State for a Quantum Field in a Curved Spacetime: Formalism, Features, and Cosmology

    Niayesh Afshordi, Siavash Aslanbeigi, Rafael D. Sorkin

    JHEP 08, 137 (2012)arXivDOI
  6. Where will Einstein fail? Lessons for gravity and cosmology

    Niayesh Afshordi

    Bull. Astron. Soc. India 40, 1 (2012)arXiv
2011 5 works
  1. Chameleon Gravity, Electrostatics, and Kinematics in the Outer Galaxy

    R. Pourhasan, N. Afshordi, R. B. Mann, A. C. Davis

    JCAP 12, 005 (2011)arXivDOI
  2. Phenomenology of Gravitational Aether as a solution to the Old Cosmological Constant Problem

    Siavash Aslanbeigi, Georg Robbers, Brendan Z. Foster, Kazunori Kohri, Niayesh Afshordi

    Phys. Rev. D 84, 103522 (2011)arXivDOI
  3. Neutron Stars and the Cosmological Constant Problem

    Farbod Kamiab, Niayesh Afshordi

    Phys. Rev. D 84, 063011 (2011)arXivDOI
  4. Prospects for Detecting Dark Matter Halo Substructure with Pulsar Timing

    Shant Baghram, Niayesh Afshordi, Kathryn M. Zurek

    Phys. Rev. D 84, 043511 (2011)arXivDOI
  5. A Theory of a Spot

    Niayesh Afshordi, Anže Slosar, Yi Wang

    JCAP 01, 019 (2011)arXivDOI
2010 6 works
  1. Using Dark Matter Haloes to Learn about Cosmic Acceleration: A New Proposal for a Universal Mass Function

    C. Prescod-Weinstein, N. Afshordi

    ArXiv e-printsarXiv
  2. Non-Gaussian Posteriors arising from Marginal Detections

    Bruce A. Bassett, Niayesh Afshordi

    ArXiv e-printsarXiv
  3. Hierarchy in the Phase Space and Dark Matter Astronomy

    Niayesh Afshordi, Roya Mohayaee, Edmund Bertschinger

    Phys. Rev. D 81, 101301 (2010)arXivDOI
  4. Reviving Gravity's Aether in Einstein's Universe

    Niayesh Afshordi

    ArXiv e-printsarXiv
  5. Dark Energy, Black Hole Entropy, and the First Precision Measurement in Quantum Gravity

    Niayesh Afshordi

    ArXiv e-printsarXiv
  6. The case for a directional dark matter detector and the status of current experimental efforts

    S. Ahlen, N. Afshordi, J. B. R. Battat, J. Billard, N. Bozorgnia, S. Burgos, T. Caldwell, J. M. Carmona, S. Cebrian, P. Colas + 102 collaborators

    Int. J. Mod. Phys. A 25, 1 (2010)arXivDOI
2009 5 works
  1. Cuscuton and low energy limit of Horava-Lifshitz gravity

    Niayesh Afshordi

    Phys. Rev. D 80, 081502 (2009)arXivDOI
  2. Stellar Black Holes and the Origin of Cosmic Acceleration

    Chanda Prescod-Weinstein, Niayesh Afshordi, Michael L. Balogh

    Phys. Rev. D 80, 043513 (2009)arXivDOI
  3. Observational Evidence for Cosmological-Scale Extra Dimensions

    Niayesh Afshordi, Ghazal Geshnizjani, Justin Khoury

    JCAP 08, 030 (2009)arXivDOI
  4. Hierarchical Phase Space Structure of Dark Matter Haloes: Tidal debris, Caustics, and Dark Matter annihilation

    Niayesh Afshordi, Roya Mohayaee, Edmund Bertschinger

    Phys. Rev. D 79, 083526 (2009)arXivDOI
  5. Non-Gaussianity as a Probe of the Physics of the Primordial Universe and the Astrophysics of the Low Redshift Universe

    E. Komatsu, N. Afshordi, N. Bartolo, D. Baumann, J. R. Bond, E. I. Buchbinder, C. T. Byrnes, X. Chen, D. J. H. Chung, A. Cooray + 51 collaborators

    astro2010: The Astronomy and Astrophysics Decadal SurveyarXiv
2008 5 works
  1. Extended Limber Approximation

    Marilena LoVerde, Niayesh Afshordi

    Phys. Rev. D 78, 123506 (2008)arXivDOI
  2. Primordial non-gaussianity, statistics of collapsed objects, and the Integrated Sachs-Wolfe effect

    Niayesh Afshordi, Andrew J. Tolley

    Phys. Rev. D 78, 123507 (2008)arXivDOI
  3. Fundamental Plane of Sunyaev-Zeldovich clusters

    Niayesh Afshordi

    Astrophys. J. 686, 201 (2008)arXivDOI
  4. Gravitational Aether and the thermodynamic solution to the cosmological constant problem

    Niayesh Afshordi

    ArXiv e-printsarXiv
  5. Does Planck mass run on the cosmological horizon scale?

    Georg Robbers, Niayesh Afshordi, Michael Doran

    Phys. Rev. Lett. 100, 111101 (2008)arXivDOI
2007 4 works
  1. Cuscuton Cosmology: Dark Energy meets Modified Gravity

    Niayesh Afshordi, Daniel J. H. Chung, Michael Doran, Ghazal Geshnizjani

    Phys. Rev. D 75, 123509 (2007)arXivDOI
  2. Missing Thermal Energy of the Intracluster Medium

    Niayesh Afshordi, Yen-Ting Lin, Daisuke Nagai, Alastair J. R. Sanderson

    Mon. Not. Roy. Astron. Soc. 378, 293 (2007)arXivDOI
  3. Cuscuton: A Causal Field Theory with an Infinite Speed of Sound

    Niayesh Afshordi, Daniel J. H. Chung, Ghazal Geshnizjani

    Phys. Rev. D 75, 083513 (2007)arXivDOI
  4. How well can (renormalized) perturbation theory predict dark matter clustering properties?

    Niayesh Afshordi

    Phys. Rev. D 75, 021302 (2007)arXivDOI
2006 3 works
  1. Intracluster Medium through three years of WMAP

    Niayesh Afshordi

    New Astron. Rev. 50, 905 (2006)arXivDOI
  2. CMB Constraints on the Intracluster Medium

    Niayesh Afshordi

    External Correlations of the CMB and Cosmology
  3. Growth of Hydrodynamic Perturbations in Accretion Disks: Possible Route to Non-Magnetic Turbulence

    Banibrata Mukhopadhyay, Niayesh Afshordi, Ramesh Narayan

    Advances in Space ResearcharXivDOI
2005 7 works
  1. On the stability of Dark Energy with Mass-Varying Neutrinos

    Niayesh Afshordi, Matias Zaldarriaga, Kazunori Kohri

    Phys. Rev. D 72, 065024 (2005)arXivDOI
  2. Bypass to Turbulence in Hydrodynamic Accretion: Lagrangian Analysis of Energy Growth

    Niayesh Afshordi, Banibrata Mukhopadhyay, Ramesh Narayan

    Astrophys. J. 629, 373 (2005)arXivDOI
  3. Bypass to Turbulence in Hydrodynamic Accretion Disks: An Eigenvalue Approach

    Banibrata Mukhopadhyay, Niayesh Afshordi, Ramesh Narayan

    Astrophys. J. 629, 383 (2005)arXivDOI
  4. WMAP constraints on the Intra-Cluster Medium

    Niayesh Afshordi, Yen-Ting Lin, Alastair J. R. Sanderson

    Astrophys. J. 629, 1 (2005)arXivDOI
  5. Do Large-Scale Inhomogeneities Explain Away Dark Energy?

    Ghazal Geshnizjani, Daniel J. H. Chung, Niayesh Afshordi

    Phys. Rev. D 72, 023517 (2005)arXivDOI
  6. CMB B-mode polarization from Thomson scattering in the local universe

    Christopher M. Hirata, Abraham Loeb, Niayesh Afshordi

    Phys. Rev. D 71, 063531 (2005)arXivDOI
  7. Coarse-Grained Back Reaction in Single Scalar Field Driven Inflation

    Ghazal Geshnizjani, Niayesh Afshordi

    JCAP 01, 011 (2005)arXivDOI
2004 2 works
  1. Integrated Sachs-Wolfe effect in Cross-Correlation: The Observer's Manual

    Niayesh Afshordi

    Phys. Rev. D 70, 083536 (2004)arXivDOI
  2. Hydrodynamic Turbulence in Accretion Disks

    Banibrata Mukhopadhyay, Niayesh Afshordi, Ramesh Narayan

    eConf C041213, 1609 (2004)arXiv
2003 5 works
  1. Cross-Correlation of the Cosmic Microwave Background with the 2MASS Galaxy Survey: Signatures of Dark Energy, Hot Gas, and Point Sources

    Niayesh Afshordi, Yeong-Shang Loh, Michael A. Strauss

    Phys. Rev. D 69, 083524 (2004)arXivDOI
  2. Cross-Correlating the CMB with Large-Scale Structure

    Niayesh Afshordi

    KITP: Astrophysics Seminars
  3. Primordial Black Holes as Dark Matter: The Power Spectrum and Evaporation of Early Structures

    N. Afshordi, P. McDonald, D. N. Spergel

    Astrophys. J. Lett. 594, L71 (2003)arXivDOI
  4. Physical Evidence for Dark Energy

    R. Scranton, A. J. Connolly, R. C. Nichol, A. Stebbins, I. Szapudi, D. J. Eisenstein, N. Afshordi, T. Budavari, I. Csabai, J. A. Frieman + 10 collaborators

    ArXiv e-printsarXiv
  5. Geometrically Thin Disk Accreting Into a Black Hole

    Niayesh Afshordi, Bohdan Paczynski

    Astrophys. J. 592, 354 (2003)arXivDOI
2002 2 works
  1. Cyclotron Emission and Thermalization of the CMB Spectrum

    Niayesh Afshordi

    ArXiv e-printsarXiv
  2. Mass-Temperature Relation of Galaxy Clusters: A Theoretical Study

    Niayesh Afshordi, Renyue Cen

    Astrophys. J. 564, 669 (2002)arXivDOI
2001 1 work
  1. Super-Hubble Nonlinear Perturbations During Inflation

    Niayesh Afshordi, Robert Brandenberger

    Phys. Rev. D 63, 123505 (2001)arXivDOI
1999 1 work
  1. A Dynamical Approach to a Self-similar Universe

    E. Abdalla, N. Afshordi, K. Khodjasteh, R. Mohayaee

    Astron. Astrophys. 345, 22 (1999)arXiv
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