We develop a covariant quantum theory of fluctuations on vacuum domain walls and strings. The fluctuations are described by a scalar field defined on the classical world sheet of the defects. We consider the following cases: straight strings and planar walls in flat space, true vacuum bubbles nucleating in false vacuum, and strings and walls nucleating during inflation. The quantum state for the perturbations is constructed so that it respects the original symmetries of the classical solution. In particular, for the case of vacuum bubbles and nucleating strings and walls, the geometry of the world sheet is that of a lower-dimensional de Sitter space, and the problem reduces to the quantization of a scalar field of tachyonic mass in de Sitte...
Perturbative estimates suggest that extended topological defects such as cosmic strings emit few par...
The vacuum of quantum field theory is not empty space but filled with quantum vacuum fluctuations, w...
International audienceAbstract In this article, we study Coleman bounce in weakly nonlocal theories ...
We develop a covariant quantum theory of fluctuations on vacuum domain walls and strings. The fluctu...
A covariant formalism is developed for describing perturbations on vacuum domain walls and strings. ...
We develop a theory of static Bogomol’nyi-Prasad-Sommerfield (BPS) domain walls in stringy landscape...
The quantum behaviour of a scalar test field is described in a massive true vacuum bubble space-time...
We develop a theory of static BPS domain walls in stringy landscape and present a large family of BP...
A manifestly covariant equation is derived to describe the perturbations in a domain wall on a given...
The vacuum expectation value of the square of the field fluctuations of a scalar field on a backgrou...
We consider a massless scalar field in a one-dimensional cavity with one fixed and one mobile wall. ...
Abstract The contribution from quantum vacuum fluctuations of a real massless scalar field to the mo...
We study the effect of a bubble wall on the entanglement entropy of a free massive scalar field betw...
We reformulate the WKB wave function for a multidimensional tunneling system, which represents the q...
We extend previous work on the numerical diagonalization of quantum stress tensor operators in the M...
Perturbative estimates suggest that extended topological defects such as cosmic strings emit few par...
The vacuum of quantum field theory is not empty space but filled with quantum vacuum fluctuations, w...
International audienceAbstract In this article, we study Coleman bounce in weakly nonlocal theories ...
We develop a covariant quantum theory of fluctuations on vacuum domain walls and strings. The fluctu...
A covariant formalism is developed for describing perturbations on vacuum domain walls and strings. ...
We develop a theory of static Bogomol’nyi-Prasad-Sommerfield (BPS) domain walls in stringy landscape...
The quantum behaviour of a scalar test field is described in a massive true vacuum bubble space-time...
We develop a theory of static BPS domain walls in stringy landscape and present a large family of BP...
A manifestly covariant equation is derived to describe the perturbations in a domain wall on a given...
The vacuum expectation value of the square of the field fluctuations of a scalar field on a backgrou...
We consider a massless scalar field in a one-dimensional cavity with one fixed and one mobile wall. ...
Abstract The contribution from quantum vacuum fluctuations of a real massless scalar field to the mo...
We study the effect of a bubble wall on the entanglement entropy of a free massive scalar field betw...
We reformulate the WKB wave function for a multidimensional tunneling system, which represents the q...
We extend previous work on the numerical diagonalization of quantum stress tensor operators in the M...
Perturbative estimates suggest that extended topological defects such as cosmic strings emit few par...
The vacuum of quantum field theory is not empty space but filled with quantum vacuum fluctuations, w...
International audienceAbstract In this article, we study Coleman bounce in weakly nonlocal theories ...