76 citations · 472 across the 13 of their papers we have counts for
13 papers
Charge-resolved entanglement in the presence of topological defects
David X. Horvath, Shachar Fraenkel, Stefano Scopa +1
Topological excitations or defects such as solitons are ubiquitous throughout physics, supporting numerous interesting phenomena like zero energy modes with exotic statistics and f…
Entanglement of Stationary States in the Presence of Unstable Quasiparticles
David X. Horvath, Pasquale Calabrese, Olalla A. Castro-Alvaredo
The effect of unstable quasiparticles in the out-of-equilibrium dynamics of certain integrable systems has been the subject of several recent studies. In this paper we focus on the…
Chirally Factorised Truncated Conformal Space Approach
D. X. Horvath, K. Hodsagi, G. Takacs
Truncated Conformal Space Approach (TCSA) is a highly efficient method to compute spectra, operator matrix elements and time evolution in quantum field theories defined as relevant…
Inhomogeneous quantum quenches in the sine-Gordon theory
D. X. Horváth, M. Kormos, S. Sotiriadis +1
We study inhomogeneous quantum quenches in the attractive regime of the sine-Gordon model. In our protocol, the system is prepared in an inhomogeneous initial state in finite volum…
Branch Point Twist Field Form Factors in the sine-Gordon Model II: Composite Twist Fields and Symmetry Resolved Entanglement
David X. Horvath, Pasquale Calabrese, Olalla A. Castro-Alvaredo
In this paper we continue the programme initiated in Part I, that is the study of entanglement measures in the sine-Gordon model. In both parts, we have focussed on one specific te…
U(1) symmetry resolved entanglement in free 1+1 dimensional field theories via form factor bootstrap
David X. Horvath, Luca Capizzi, Pasquale Calabrese
We generalise the form factor bootstrap approach to integrable field theories with U(1) symmetry to derive matrix elements of composite branch-point twist fields associated with sy…
Hydrodynamics of massless integrable RG flows and a non-equilibrium c-theorem
David X. Horvath
We study Euler scale hydrodynamics of massless integrable quantum field theories interpolating between two non-trivial renormalisation group fixed points after inhomogeneous quantu…
Non-equilibrium time evolution and rephasing in the quantum sine-Gordon model
D. X. Horvath, I. Lovas, M. Kormos +2
We discuss the non-equilibrium time evolution of the phase field in the sine-Gordon model using two very different approaches: the truncated Wigner approximation and the truncated…
Overlap singularity and time evolution in integrable quantum field theory
D. X. Horváth, M. Kormos, G. Takács
We study homogeneous quenches in integrable quantum field theory where the initial state contains zero-momentum particles. We demonstrate that the two-particle pair amplitude neces…
Overlaps after quantum quenches in the sine-Gordon model
D. X. Horvath, G. Takacs
We present a numerical computation of overlaps in mass quenches in sine-Gordon quantum field theory using truncated conformal space approach (TCSA). To improve the cut-off dependen…
Roaming form factors for the tricritical to critical Ising flow
D. X. Horvath, P. E. Dorey, G. Takacs
We study the massless flows described by the staircase model introduced by Al.B. Zamolodchikov through the analytic continuation of the sinh-Gordon S-matrix, focusing on the renorm…
Initial states in integrable quantum field theory quenches from an integral equation hierarchy
D. X. Horvath, S. Sotiriadis, G. Takacs
We consider the problem of determining the initial state of integrable quantum field theory quenches in terms of the post-quench eigenstates. The corresponding overlaps are a funda…
Spreading dynamics on networks: the role of burstiness, topology and non-stationarity
Dávid X. Horváth, János Kertész
Spreading on networks is influenced by a number of factors including different parts of the inter-event time distribution (IETD), the topology of the network and non-stationarity.…