92 citations · 417 across the 36 of their papers we have counts for
7 papers · 1 filter
Exotic correlation spread in free-fermionic states with initial patterns
Sudipto Singha Roy, Giovanni Ramírez, Silvia N. Santalla +2
We describe a relation between the light-cone velocities after a quantum quench and the internal structure of the initial state, in the particular case of free fermions on a chain…
Bulk-edge correspondence in the Haldane phase of the bilinear-biquadratic spin-1 Hamiltonian
Sudipto Singha Roy, Silvia N. Santalla, Javier Rodríguez-Laguna +1
The Haldane phase is the prototype of symmetry protected topological (SPT) phases of spin chain systems. It can be protected by several symmetries having in common the degeneracy o…
Local Quantum Thermometry using Unruh-De Witt detectors
Sandra Robles, Javier Rodriguez-Laguna
We propose an operational definition for the local temperature of a quantum field employing Unruh-DeWitt detectors, as used in the study of the Unruh and Hawking effects. With this…
Entanglement classes of permutation-symmetric qudit states: symmetric operations suffice
Piotr Migdał, Javier Rodriguez-Laguna, Maciej Lewenstein
We analyse entanglement classes for permutation-symmetric states for n qudits (i.e. d-level systems), with respect to local unitary operations (LU-equivalence) and stochastic local…
Qubism: self-similar visualization of many-body wavefunctions
Javier Rodriguez-Laguna, Piotr Migdał, Miguel Ibáñez Berganza +2
A visualization scheme for quantum many-body wavefunctions is described, which we have termed qubism. Its main property is its recursivity: increasing the number of qubits reflects…
Physical consequences of PNP and the DMRG-annealing conjecture
Javier Rodriguez-Laguna, Silvia N. Santalla
Computational complexity theory contains a corpus of theorems and conjectures regarding the time a Turing machine will need to solve certain types of problems as a function of the…