Dark matter from non-relativistic embedding gravity

Standard

Dark matter from non-relativistic embedding gravity. / Paston, S. A.

In: Modern Physics Letters A, Vol. 36, No. 15, 2150101, 20.05.2021.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{971c79c4c08946efa7431ae3efa45d95,

title = "Dark matter from non-relativistic embedding gravity",

abstract = "We study the possibility to explain the mystery of the dark matter (DM) through the transition from General Relativity to embedding gravity. This modification of gravity, which was proposed by Regge and Teitelboim, is based on a simple string-inspired geometrical principle: our spacetime is considered here as a four-dimensional surface in a flat bulk. We show that among the solutions of embedding gravity, there is a class of solutions equivalent to solutions of GR with an additional contribution of non-relativistic embedding matter, which can serve as cold DM. We prove the stability of such type of solutions and obtain an explicit form of the equations of motion of embedding matter in the non-relativistic limit. According to them, embedding matter turns out to have a certain self-interaction, which could be useful in the context of solving the core-cusp problem that appears in the CDM model.",

keywords = "core-cusp problem, Dark matter, embedding gravity, embedding theory, isometric embedding, modified gravity, Regge-Teitelboim gravity, self-interacting dark matter, SEARCHES, SCALE, MODEL, MIMETIC GRAVITY",

author = "Paston, {S. A.}",

year = "2021",

month = may,

day = "20",

doi = "10.1142/S0217732321501017",

language = "English",

volume = "36",

journal = "Modern Physics Letters A",

issn = "0217-7323",

publisher = "WORLD SCIENTIFIC PUBL CO PTE LTD",

number = "15",

}

RIS

TY - JOUR

T1 - Dark matter from non-relativistic embedding gravity

AU - Paston, S. A.

PY - 2021/5/20

Y1 - 2021/5/20

N2 - We study the possibility to explain the mystery of the dark matter (DM) through the transition from General Relativity to embedding gravity. This modification of gravity, which was proposed by Regge and Teitelboim, is based on a simple string-inspired geometrical principle: our spacetime is considered here as a four-dimensional surface in a flat bulk. We show that among the solutions of embedding gravity, there is a class of solutions equivalent to solutions of GR with an additional contribution of non-relativistic embedding matter, which can serve as cold DM. We prove the stability of such type of solutions and obtain an explicit form of the equations of motion of embedding matter in the non-relativistic limit. According to them, embedding matter turns out to have a certain self-interaction, which could be useful in the context of solving the core-cusp problem that appears in the CDM model.

AB - We study the possibility to explain the mystery of the dark matter (DM) through the transition from General Relativity to embedding gravity. This modification of gravity, which was proposed by Regge and Teitelboim, is based on a simple string-inspired geometrical principle: our spacetime is considered here as a four-dimensional surface in a flat bulk. We show that among the solutions of embedding gravity, there is a class of solutions equivalent to solutions of GR with an additional contribution of non-relativistic embedding matter, which can serve as cold DM. We prove the stability of such type of solutions and obtain an explicit form of the equations of motion of embedding matter in the non-relativistic limit. According to them, embedding matter turns out to have a certain self-interaction, which could be useful in the context of solving the core-cusp problem that appears in the CDM model.

KW - core-cusp problem

KW - Dark matter

KW - embedding gravity

KW - embedding theory

KW - isometric embedding

KW - modified gravity

KW - Regge-Teitelboim gravity

KW - self-interacting dark matter

KW - SEARCHES

KW - SCALE

KW - MODEL

KW - MIMETIC GRAVITY

UR - http://www.scopus.com/inward/record.url?scp=85106443662&partnerID=8YFLogxK

U2 - 10.1142/S0217732321501017

DO - 10.1142/S0217732321501017

M3 - Article

AN - SCOPUS:85106443662

VL - 36

JO - Modern Physics Letters A

JF - Modern Physics Letters A

SN - 0217-7323

IS - 15

M1 - 2150101

ER -

ID: 77299183