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24 papers · 1 filter
Tomographic collective modes in a magnetic field
Jeff Maki, Johannes Hofmann
Two-dimensional Fermi liquids at low temperatures have been theoretically established to exhibit an odd-even effect in the collective quasiparticle relaxation rates where even-pari…
Anti Kibble-Zurek behavior in the quantum XY spin-1/2 chain driven by correlated noisy magnetic field and anisotropy
S. Sadeghizade, R. Jafari, A. Langari
In the non-adiabatic dynamics across a quantum phase transition, the Kibble-Zurek paradigm describes that the average number of topological defects is suppressed as a universal pow…
Competition of long-range interactions and noise at ramped quench dynamical quantum phase transition: The case of the long-range pairing Kitaev chain
R. Baghran, R. Jafari, A. Langari
The nonequilibrium dynamics of long-range pairing Kitaev model with noiseless/noisy linear time dependent chemical potential, is investigated in the frame work of dynamical quantum…
Ballistic Entanglement Cloud after a Boundary Quench
Bedoor Alkurtass, Abolfazl Bayat, Pasquale Sodano +2
Entanglement has been extensively used to characterize the structure of strongly correlated many-body systems. Most of these analyses focus on either spatial properties of entangle…
Dynamical Topological Quantum Phase Transitions at Criticality
M. Sadrzadeh, R. Jafari, A. Langari
The nonequilibrium dynamics of two dimensional Su-Schrieffer-Heeger model, in the presence of staggered chemical potential, is investigated using the notion of dynamical quantum ph…
Electromagnetic response of composite Dirac fermions in the half-filled Landau level
Johannes Hofmann
An effective field theory of composite Dirac fermions was proposed by Son [Phys. Rev. X 5, 031027 (2015)] as a theory of the half-filled Landau level with explicit particle-hole sy…