Field Theory of Tachyon Matter

By Ashoke Sen. 2002

329 citations recorded by the source corpus.

We propose a field theory for describing the tachyon on a brane–antibrane system near the minimum of the potential. This field theory realizes two known properties of the tachyon effective action: (a) absence of plane-wave solutions around the minimum, and (b) exponential fall off of the pressure at late time as the tachyon field evolves from any spatially homogeneous initial configuration towards the minimum of the potential. Classical solutions in this field theory include nonrelativistic matter with arbitrary spatial distribution of energy.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/88d0a61c2d9cb93cccdff8291c345a8be40cca7f

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Citations in the corpus

A theoretician's analysis of the supernova data and the limitations in determining the nature of dark energy (2002, background): “[It arises naturally in the string theoretical context; see Sen (2002a); Sen (2002b); Sen (2002c).”
WMAP and the generalized Chaplygin gas (2003, background): “Recently, the tachyon field (with V = V (ϕ)) motivated from string theory has received a lot of attention (Sen 2002, Gibbons 2002, Padmanabhan 2002).”
On the cosmological relevance of the tachyon (2002, background): “ent of the superstring case. It should, however, be noted that the late time evolution of the tachyon ﬁeld in either of these two cases does not seem to match the asymptotic behaviour analyzed by Sen [8]. Of course, a ﬁeld redeﬁnition could reproduce the correct asymptotics, but it would, necessaril”
Dynamical systems applied to cosmology: Dark energy and modified gravity (2017, background): “Tachyons are particles predicted by string theory in its low-energy effective field theory description (Green et al., 1988; Mazumdar et al., 2001; Sen, 2002a,c,b).”
Tachyons, scalar fields, and cosmology (2003, background): “The tachyon field arising in the context of string theory [6, 7, 8, 9] provides one example of matter which does the job.”
Caustics in Tachyon Matter and Other Born-Infeld Scalars (2002, background): “this relatively simple formulation of tachyon dynamics (1.1) triggered signiﬁcant interest in the investigation of the role of tachyons in cosmology [5, 6, 7, 8, 9] and in the ﬁeld theory of tachyons [10]. . Even before the recent works on tachyon cosmology, a model known as “k-inﬂation” [11], based”