Bharat Ratra: search on Z-Library

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1

The cosmological constant and dark energy

Peebles, P., Ratra, Bharat

Journal:

Review of Modern Physics

Year:

2003

Language:

english

File:

PDF, 390 KB

english, 2003

2

Cosmological consequences of a rolling homogeneous scalar field

Ratra, Bharat, Peebles, P.

Journal:

Physical Review D

Year:

1988

Language:

english

File:

PDF, 1.04 MB

english, 1988

3

Quantum mechanics of inflation

W. Fischler, Bharat Ratra, Leonard Susskind

Journal:

Nuclear Physics B

Year:

1985

Language:

english

File:

PDF, 494 KB

english, 1985

4

The Beginning and Evolution of the Universe

Bharat Ratra and Michael S. Vogeley

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2008

Language:

english

File:

PDF, 356 KB

english, 2008

5

Restoration of spontaneously broken continuous symmetries in de Sitter spacetime

Journal:

Physical Review D

Year:

1985

Language:

english

File:

PDF, 1.02 MB

english, 1985

6

CMB ANISOTROPY CONSTRAINTS ON FLAT-Λ AND OPEN CDM COSMOGONIES FROM DMR, UCSB SOUTH POLE, PYTHON, ARGO, MAX, WHITE DISH, OVRO, AND SuZIE DATA

MUKHERJEE, PIA, GANGA, KEN, RATRA, BHARAT, ROCHA, GRACA, SOURADEEP, TARUN, SUGIYAMA, NAOSHI, GORSKI, KRZYSZTOF M.

Journal:

International Journal of Modern Physics A

Year:

2003

Language:

english

File:

PDF, 2.85 MB

english, 2003

7

HUBBLE PARAMETER MEASUREMENT CONSTRAINTS ON THE REDSHIFT OF THE DECELERATION–ACCELERATION TRANSITION, DYNAMICAL DARK ENERGY, AND SPACE CURVATURE

Farooq, Omer, Madiyar, Foram Ranjeet, Crandall, Sara, Ratra, Bharat

Journal:

The Astrophysical Journal

Year:

2017

Language:

english

File:

PDF, 821 KB

english, 2017

8

Inflation in a closed universe

Journal:

Physical Review D

Year:

2017

Language:

english

File:

PDF, 330 KB

english, 2017

9

Median Statistics Estimate of the Distance to the Galactic Center

Camarillo, Tia, Mathur, Varun, Mitchell, Tyler, Ratra, Bharat

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2018

Language:

english

File:

PDF, 248 KB

english, 2018

10

Median Statistics Analysis of Deuterium Abundance Measurements and Spatial Curvature Constraints

Penton, Jarred, Peyton, Jacob, Zahoor, Aasim, Ratra, Bharat

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2018

Language:

english

File:

PDF, 188 KB

english, 2018

11

Gaussian processes, median statistics, Milky Way rotation curves

Yu, Hai, Singal, Aman, Peyton, Jacob, Crandall, Sara, Ratra, Bharat

Journal:

Astrophysics and Space Science

Year:

2020

File:

PDF, 2.05 MB

2020

12

Gamma ray burst constraints on ultraviolet Lorentz invariance violation

Tina Kahniashvili, Grigol Gogoberidze, Bharat Ratra

Journal:

Physics Letters B

Year:

2006

Language:

english

File:

PDF, 138 KB

english, 2006

13

Constraints on dark energy from the lookback time versus redshift test

Lado Samushia, Abha Dev, Deepak Jain, Bharat Ratra

Journal:

Physics Letters B

Year:

2010

Language:

english

File:

PDF, 229 KB

english, 2010

14

Time and distance constraints on accelerating cosmological models

M.A. Dantas, J.S. Alcaniz, D. Mania, Bharat Ratra

Journal:

Physics Letters B

Year:

2011

Language:

english

File:

PDF, 481 KB

english, 2011

15

Superstring propagation in curved superspace in the presence of background super Yang-Mills fields

Joseph J. Atick, Avinash Dhar, Bharat Ratra

Journal:

Physics Letters B

Year:

1986

Language:

english

File:

PDF, 359 KB

english, 1986

16

Spherically symmetric classical solutions in SU(2) gauge theory with a Higgs field

Bharat Ratra, Laurence G. Yaffe

Journal:

Physics Letters B

Year:

1988

Language:

english

File:

PDF, 316 KB

english, 1988

17

Observationally constrainable free parameters of scalar field inflation models

Journal:

Physics Letters B

Year:

1991

Language:

english

File:

PDF, 404 KB

english, 1991

18

Hubble parameter data constraints on dark energy

Yun Chen, Bharat Ratra

Journal:

Physics Letters B

Year:

2011

Language:

english

File:

PDF, 296 KB

english, 2011

19

Constraints on dark energy from H II starburst galaxy apparent magnitude versus redshift data

Data Mania, Bharat Ratra

Journal:

Physics Letters B

Year:

2012

Language:

english

File:

PDF, 413 KB

english, 2012

20

Galaxy cluster number count data constraints on cosmological parameters

L. Campanelli, G. L. Fogli, T. Kahniashvili, A. Marrone, Bharat Ratra

Journal:

The European Physical Journal C

Year:

2012

Language:

english

File:

PDF, 1.11 MB

english, 2012

21

HUBBLE PARAMETER MEASUREMENT CONSTRAINTS ON THE COSMOLOGICAL DECELERATION-ACCELERATION TRANSITION REDSHIFT

Farooq, Omer, Ratra, Bharat

Journal:

The Astrophysical Journal

Year:

2013

Language:

english

File:

PDF, 360 KB

english, 2013

22

HUBBLE PARAMETER MEASUREMENT CONSTRAINTS ON DARK ENERGY

Farooq, Omer, Mania, Data, Ratra, Bharat

Journal:

The Astrophysical Journal

Year:

2013

Language:

english

File:

PDF, 1.84 MB

english, 2013

23

Constraints on dark energy from the Lyα forest baryon acoustic oscillations measurement of the redshift 2.3 Hubble parameter

Farooq, Omer, Ratra, Bharat

Journal:

Physics Letters B

Year:

2013

Language:

english

File:

PDF, 677 KB

english, 2013

24

Evolution of inflation-generated magnetic field through phase transitions

Kahniashvili, Tina, Brandenburg, Axel, Campanelli, Leonardo, Ratra, Bharat, Tevzadze, Alexander G.

Journal:

Physical Review D

Year:

2012

Language:

english

File:

PDF, 3.05 MB

english, 2012

25

Inflation and accelerated expansion tensor-vector-scalar cosmological solutions

Diaz-Rivera, Luz Maria, Samushia, Lado, Ratra, Bharat

Journal:

Physical Review D

Year:

2006

Language:

english

File:

PDF, 116 KB

english, 2006

26

Primordial magnetic field limits from cosmological data

Kahniashvili, Tina, Tevzadze, Alexander G., Sethi, Shiv K., Pandey, Kanhaiya, Ratra, Bharat

Journal:

Physical Review D

Year:

2010

Language:

english

File:

PDF, 384 KB

english, 2010

27

Binned Hubble parameter measurements and the cosmological deceleration–acceleration transition

Farooq, Omer, Crandall, Sara, Ratra, Bharat

Journal:

Physics Letters B

Year:

2013

Language:

english

File:

PDF, 1.34 MB

english, 2013

28

Faraday rotation of the cosmic microwave background polarization by a stochastic magnetic field

Kosowsky, Arthur, Kahniashvili, Tina, Lavrelashvili, George, Ratra, Bharat

Journal:

Physical Review D

Year:

2005

Language:

english

File:

PDF, 375 KB

english, 2005

29

Median statistics cosmological parameter values

Crandall, Sara, Ratra, Bharat

Journal:

Physics Letters B

Year:

2014

Language:

english

File:

PDF, 247 KB

english, 2014

30

Median Statistics and the Mass Density of the Universe

Chen, Gang, Ratra, Bharat

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2003

Language:

english

File:

PDF, 135 KB

english, 2003

31

Non‐Gaussian Error Distribution of Hubble Constant Measurements

Chen, Gang, Gott III, J. Richard, Ratra, Bharat

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2003

Language:

english

File:

PDF, 239 KB

english, 2003

32

Median Statistics and the Hubble Constant

Gang Chen and Bharat Ratra

Journal:

Publications of the Astronomical Society of the Pacific

Year:

2011

Language:

english

File:

PDF, 253 KB

english, 2011

33

Cosmological constraints from large-scale structure growth rate measurements

Pavlov, Anatoly, Farooq, Omer, Ratra, Bharat

Journal:

Physical Review D

Year:

2014

Language:

english

File:

PDF, 292 KB

english, 2014

34

gravity

Capozziello, Salvatore, Farooq, Omer, Luongo, Orlando, Ratra, Bharat

Journal:

Physical Review D

Year:

2014

Language:

english

File:

PDF, 987 KB

english, 2014

35

Neutrino mass limit from galaxy cluster number density evolution

Kahniashvili, Tina, von Toerne, Eckhard, Arhipova, Natalia A., Ratra, Bharat

Journal:

Physical Review D

Year:

2005

Language:

english

File:

PDF, 122 KB

english, 2005

36

CMB anisotropies due to cosmological magnetosonic waves

Kahniashvili, Tina, Ratra, Bharat

Journal:

Physical Review D

Year:

2007

Language:

english

File:

PDF, 242 KB

english, 2007

37

Numerical simulations of the decay of primordial magnetic turbulence

Kahniashvili, Tina, Brandenburg, Axel, Tevzadze, Alexander G., Ratra, Bharat

Journal:

Physical Review D

Year:

2010

Language:

english

File:

PDF, 2.26 MB

english, 2010

38

CMB temperature anisotropy from broken spatial isotropy due to a homogeneous cosmological magnetic field

Kahniashvili, Tina, Lavrelashvili, George, Ratra, Bharat

Journal:

Physical Review D

Year:

2008

Language:

english

File:

PDF, 238 KB

english, 2008

39

Effects of cosmological magnetic helicity on the cosmic microwave background

Kahniashvili, Tina, Ratra, Bharat

Journal:

Physical Review D

Year:

2005

Language:

english

File:

PDF, 196 KB

english, 2005

40

Gravitational radiation from primordial helical inverse cascade magnetohydrodynamic turbulence

Kahniashvili, Tina, Campanelli, Leonardo, Gogoberidze, Grigol, Maravin, Yurii, Ratra, Bharat

Journal:

Physical Review D

Year:

2008

Language:

english

File:

PDF, 296 KB

english, 2008

41

Erratum: Gravitational radiation from primordial helical inverse cascade magnetohydrodynamic turbulence [Phys. Rev. D 78 , 123006 (2008)]

Kahniashvili, Tina, Campanelli, Leonardo, Gogoberidze, Grigol, Maravin, Yurii, Ratra, Bharat

Journal:

Physical Review D

Year:

2009

File:

PDF, 29 KB

2009

42

Expressions for linearized perturbations in a massive-scalar-field-dominated cosmological model

Journal:

Physical Review D

Year:

1991

Language:

english

File:

PDF, 314 KB

english, 1991

43

Dependence of cosmological energy-density irregularities on the shape of the scalar-field potential during inflation and "reheating"

Journal:

Physical Review D

Year:

1991

Language:

english

File:

PDF, 292 KB

english, 1991

44

Polarized Cosmological Gravitational Waves from Primordial Helical Turbulence

Kahniashvili, Tina, Gogoberidze, Grigol, Ratra, Bharat

Journal:

Physical Review Letters

Year:

2005

Language:

english

File:

PDF, 148 KB

english, 2005

45

Superspace formulation of ten-dimensional N=1 supergravity coupled to N=1 super Yang-Mills theory

Atick, Joseph J., Dhar, Avinash, Ratra, Bharat

Journal:

Physical Review D

Year:

1986

Language:

english

File:

PDF, 567 KB

english, 1986

46

Spontaneously broken continuous symmetries in hyperbolic (or open) de Sitter spacetime

Journal:

Physical Review D

Year:

1994

Language:

english

File:

PDF, 309 KB

english, 1994

47

Gravitational Radiation from Primordial Helical Magnetohydrodynamic Turbulence

Kahniashvili, Tina, Gogoberidze, Grigol, Ratra, Bharat

Journal:

Physical Review Letters

Year:

2008

Language:

english

File:

PDF, 157 KB

english, 2008

48

Nonflat time-variable dark energy cosmology

Pavlov, Anatoly, Westmoreland, Shawn, Saaidi, Khaled, Ratra, Bharat

Journal:

Physical Review D

Year:

2013

Language:

english

File:

PDF, 634 KB

english, 2013

49

Inflation in an exponential-potential scalar field model

Journal:

Physical Review D

Year:

1992

Language:

english

File:

PDF, 968 KB

english, 1992

50

Expressions for linearized perturbations in ideal-fluid cosmological models

Journal:

Physical Review D

Year:

1988

Language:

english

File:

PDF, 428 KB

english, 1988