619 citations · 7.3k across the 102 of their papers we have counts for
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Generalised Hydrodynamics of Particle Creation and Decay
Olalla A. Castro-Alvaredo, Cecilia De Fazio, Benjamin Doyon +1
Unstable particles rarely feature in conjunction with integrability in 1+1D quantum field theory. However, the family of homogenous sine-Gordon models provides a rare example where…
The Space of Integrable Systems from Generalised -Deformations
Benjamin Doyon, Joseph Durnin, Takato Yoshimura
We introduce an extension of the generalised -deformation described by Smirnov-Zamolodchikov, to include the complete set of extensive charges. We show that this gives de…
Tails of Instability and Decay: a Hydrodynamic Perspective
Olalla A. Castro-Alvaredo, Cecilia De Fazio, Benjamin Doyon +1
In the context of quantum field theory (QFT), unstable particles are associated with complex-valued poles of two-body scattering matrices in the unphysical sheet of rapidity space.…
deformations and the width of fundamental particles
John Cardy, Benjamin Doyon
We provide a simple geometric meaning for deformations of so-called type in relativistic and non-relativistic systems. Deformations by the cross products of energy…
On the Hydrodynamics of Unstable Excitations
Olalla A. Castro-Alvaredo, Cecilia De Fazio, Benjamin Doyon +1
The generalized hydrodynamic (GHD) approach has been extremely successful in describing the out-of-equilibrium properties of a great variety of integrable many-body quantum systems…
Entanglement Content of Quantum Particle Excitations II. Disconnected Regions and Logarithmic Negativity
Olalla A. Castro-Alvaredo, Cecilia De Fazio, Benjamin Doyon +1
In this paper we study the increment of the entanglement entropy and of the (replica) logarithmic negativity in a zero-density excited state of a free massive bosonic theory, compa…