2012
Zaanen, J.; Beekman, A. J.
The emergence of gauge invariance: The stay-at-home gauge versus local-global duality Tijdschriftartikel
In: ANNALS OF PHYSICS, vol. 327, nr. 4, pp. 1146-1161, 2012, ISSN: 0003-4916.
Abstract | Links | BibTeX | Tags: Duality; Gauge invariance; Emergence; Topological defects
@article{WOS:000301404200007,
title = {The emergence of gauge invariance: The stay-at-home gauge versus
local-global duality},
author = {J. Zaanen and A. J. Beekman},
doi = {10.1016/j.aop.2011.11.006},
issn = {0003-4916},
year = {2012},
date = {2012-04-01},
journal = {ANNALS OF PHYSICS},
volume = {327},
number = {4},
pages = {1146-1161},
publisher = {ACADEMIC PRESS INC ELSEVIER SCIENCE},
address = {525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA},
abstract = {In condensed matter physics, gauge symmetries other than the U(1) of
electromagnetism are of an emergent nature. Two emergence mechanisms for
gauge symmetry are well established: the way in which it arises in
Kramers-Wannier type local-global dualities, and the way in which local
constraints encountered in (doped) Mott insulators are encoded. We
demonstrate that these gauge structures are closely related, and appear
as counterparts in the canonical and field-theoretical languages. The
restoration of symmetry in a disorder phase transition is due to having
the original local variables subjected to a coherent superposition of
all possible topological defect configurations, with the effect that
correlation functions are no longer well-defined. This is completely
equivalent to assigning gauge freedom to those variables. Two cases are
considered explicitly: the well-known vortex duality in bosonic Mott
insulators serves to illustrate the principle; and the acquired wisdom
is then applied to the less familiar context of dualities in quantum
elasticity, where we elucidate the relation between the quantum nematic
and linearized gravity. We reflect on some deeper implications for the
emergence of gauge symmetry in general. (C) 2011 Elsevier Inc. All
rights reserved.},
keywords = {Duality; Gauge invariance; Emergence; Topological defects},
pubstate = {published},
tppubtype = {article}
}
In condensed matter physics, gauge symmetries other than the U(1) of
electromagnetism are of an emergent nature. Two emergence mechanisms for
gauge symmetry are well established: the way in which it arises in
Kramers-Wannier type local-global dualities, and the way in which local
constraints encountered in (doped) Mott insulators are encoded. We
demonstrate that these gauge structures are closely related, and appear
as counterparts in the canonical and field-theoretical languages. The
restoration of symmetry in a disorder phase transition is due to having
the original local variables subjected to a coherent superposition of
all possible topological defect configurations, with the effect that
correlation functions are no longer well-defined. This is completely
equivalent to assigning gauge freedom to those variables. Two cases are
considered explicitly: the well-known vortex duality in bosonic Mott
insulators serves to illustrate the principle; and the acquired wisdom
is then applied to the less familiar context of dualities in quantum
elasticity, where we elucidate the relation between the quantum nematic
and linearized gravity. We reflect on some deeper implications for the
emergence of gauge symmetry in general. (C) 2011 Elsevier Inc. All
rights reserved.
electromagnetism are of an emergent nature. Two emergence mechanisms for
gauge symmetry are well established: the way in which it arises in
Kramers-Wannier type local-global dualities, and the way in which local
constraints encountered in (doped) Mott insulators are encoded. We
demonstrate that these gauge structures are closely related, and appear
as counterparts in the canonical and field-theoretical languages. The
restoration of symmetry in a disorder phase transition is due to having
the original local variables subjected to a coherent superposition of
all possible topological defect configurations, with the effect that
correlation functions are no longer well-defined. This is completely
equivalent to assigning gauge freedom to those variables. Two cases are
considered explicitly: the well-known vortex duality in bosonic Mott
insulators serves to illustrate the principle; and the acquired wisdom
is then applied to the less familiar context of dualities in quantum
elasticity, where we elucidate the relation between the quantum nematic
and linearized gravity. We reflect on some deeper implications for the
emergence of gauge symmetry in general. (C) 2011 Elsevier Inc. All
rights reserved.