Browsed by
Category: Physics of the Dark Universe

Investigating the dark energy phenomenon in <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e554″ altimg=”si15.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>,</mo><msub><mrow><mi>L</mi></mrow><mrow><mi>m</mi></mrow></msub><mo>)</mo></mrow></mrow></math> cosmological models with observational constraints

Investigating the dark energy phenomenon in <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e554″ altimg=”si15.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>,</mo><msub><mrow><mi>L</mi></mrow><mrow><mi>m</mi></mrow></msub><mo>)</mo></mrow></mrow></math> cosmological models with observational constraints

Publication date: Available online 10 December 2023Source: Physics of the Dark UniverseAuthor(s): S. Myrzakulova, M. Koussour, N. Myrzakulov

On the time dependency of <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si84.svg” display=”inline” id=”d1e3845″ class=”math”><msub><mrow><mi>a</mi></mrow><mrow><mn>0</mn></mrow></msub></math>

On the time dependency of <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si84.svg” display=”inline” id=”d1e3845″ class=”math”><msub><mrow><mi>a</mi></mrow><mrow><mn>0</mn></mrow></msub></math>

Publication date: February 2024Source: Physics of the Dark Universe, Volume 43Author(s): Antonino Del Popolo, Man Ho Chan

The hierarchy problem and <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e25″ altimg=”si7.svg” class=”math”><mrow><mi mathvariant=”script”>N</mi><mo linebreak=”goodbreak” linebreakstyle=”after”>=</mo><mn>2</mn><mspace width=”1em” class=”nbsp”></mspace><mi mathvariant=”script”>D</mi><mo linebreak=”goodbreak” linebreakstyle=”after”>=</mo><mn>5</mn></mrow></math> supergravity

The hierarchy problem and <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e25″ altimg=”si7.svg” class=”math”><mrow><mi mathvariant=”script”>N</mi><mo linebreak=”goodbreak” linebreakstyle=”after”>=</mo><mn>2</mn><mspace width=”1em” class=”nbsp”></mspace><mi mathvariant=”script”>D</mi><mo linebreak=”goodbreak” linebreakstyle=”after”>=</mo><mn>5</mn></mrow></math> supergravity

Publication date: Available online 7 December 2023Source: Physics of the Dark UniverseAuthor(s): Safinaz Salem

A four parameters quark star in quadratic <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si334.svg” display=”inline” id=”d1e8602″ class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow><mo>−</mo></mrow></math>action

A four parameters quark star in quadratic <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si334.svg” display=”inline” id=”d1e8602″ class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>Q</mi><mo>)</mo></mrow><mo>−</mo></mrow></math>action

Publication date: February 2024Source: Physics of the Dark Universe, Volume 43Author(s): Piyali Bhar, Ksh. Newton Singh, S.K. Maurya, M. Govender

Reconstruction of <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e648″ altimg=”si6.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>,</mo><mi>T</mi><mo>)</mo></mrow></mrow></math> gravity model via the Raychaudhuri equation

Reconstruction of <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e648″ altimg=”si6.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>,</mo><mi>T</mi><mo>)</mo></mrow></mrow></math> gravity model via the Raychaudhuri equation

Publication date: Available online 5 December 2023Source: Physics of the Dark UniverseAuthor(s): Arijit Panda, Surajit Das, Goutam Manna, Saibal Ray

An acceptable study of anisotropic dark energy stars in modified <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1631″ altimg=”si6.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi mathvariant=”script”>R</mi><mo>,</mo><mi mathvariant=”script”>G</mi><mo>)</mo></mrow></mrow></math> gravity

An acceptable study of anisotropic dark energy stars in modified <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1631″ altimg=”si6.svg” class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi mathvariant=”script”>R</mi><mo>,</mo><mi mathvariant=”script”>G</mi><mo>)</mo></mrow></mrow></math> gravity

Publication date: Available online 5 December 2023Source: Physics of the Dark UniverseAuthor(s): Krishna Pada Das, Ujjal Debnath, Asifa Ashraf, Madhur Khurana

Compact stars in scalar–tensor theories with a single-well potential and the corresponding <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si77.svg” display=”inline” id=”d1e408″ class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math> theory

Compact stars in scalar–tensor theories with a single-well potential and the corresponding <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” altimg=”si77.svg” display=”inline” id=”d1e408″ class=”math”><mrow><mi>f</mi><mrow><mo>(</mo><mi>R</mi><mo>)</mo></mrow></mrow></math> theory

Publication date: February 2024Source: Physics of the Dark Universe, Volume 43Author(s): Juan M.Z. Pretel, Sergio E. Jorás, Ribamar R.R. Reis, Sergio B. Duarte, José D.V. Arbañil