44 citations · 302 across the 20 of their papers we have counts for
19 papers · 1 filter
Reflected entropy and islands in a braneworld cosmology
Debarshi Basu, Ashish Chandra, Himanshu Chourasiya
This work investigates the nature of mixed state entanglement and correlation in a braneworld cosmological model, where the bulk geometry is described by an eternal BTZ black hole…
Bridging Boundaries: , Double Holography, and Reflected Entropy
Debarshi Basu, Himanshu Chourasiya, Ankur Dey +1
We investigate the reflected entropy for bipartite mixed state configurations in a deformed boundary conformal field theory in dimensions (BCFT). The bulk dual i…
Entanglement, and rotating black holes
Debarshi Basu, Saikat Biswas
In this work, we investigate the entanglement structure in a -deformed holographic CFT with a conserved angular momentum. We utilize conformal pertu…
Reflected entropy and timelike entanglement in deformed CFTs
Debarshi Basu, Vinayak Raj
We develop a covariant formalism to investigate the mixed state entanglement structure of time-dependent boosted subsystems in deformed CFTs throug…
Holographic Reflected Entropy and Islands in Interface CFTs
Jaydeep Kumar Basak, Debarshi Basu, Vinay Malvimat +2
We investigate the reflected entropy for various mixed state configurations in the two dimensional holographic conformal field theories sharing a common interface (ICFTs). In the A…
Reflected entropy in BCFTs on a black hole background
Debarshi Basu, Himanshu Chourasiya, Vinayak Raj +1
We obtain the reflected entropy for bipartite mixed state configurations involving two disjoint and adjacent subsystems in two dimensional boundary conformal field theories (BCFT$_…
Odd entanglement entropy in deformed CFTs and holography
Debarshi Basu, Saikat Biswas, Ankur Dey +2
We construct a replica technique to perturbatively compute the odd entanglement entropy (OEE) for bipartite mixed states in deformed CFTs. This framewo…
Islands and dynamics at the interface
Mir Afrasiar, Debarshi Basu, Ashish Chandra +2
We investigate a family of models described by two holographic CFTs coupled along a shared interface. The bulk dual geometry consists of two AdS spacetimes truncated by a s…
Ownerless island and partial entanglement entropy in island phases
Debarshi Basu, Jiong Lin, Yizhou Lu +1
In the context of partial entanglement entropy (PEE), we study the entanglement structure of the island phases realized in several 2-dimensional holographic set-ups. The self-encod…
Entanglement negativity in -deformed CFTs
Debarshi Basu, Lavish Chawla, Boudhayan Paul
We apply a suitable replica technique to develop a perturbative expression for the entanglement negativity of bipartite mixed states in T-deformed CFTs up…
Entanglement Islands from Hilbert Space Reduction
Debarshi Basu, Qiang Wen, Shangjie Zhou
In this paper we propose a mechanism to generate entanglement islands in quantum systems from a purely quantum information perspective. More explicitly we show that, if we impose c…
Reflected Entropy and Entanglement Negativity for Holographic Moving Mirrors
Jaydeep Kumar Basak, Debarshi Basu, Vinay Malvimat +2
We investigate the time evolution of reflected entropy and entanglement negativity for mixed state configurations involving two adjacent and disjoint intervals in the radiation flu…
Defect extremal surfaces for entanglement negativity
Debarshi Basu, Himanshu Parihar, Vinayak Raj +1
We propose a doubly holographic version of the semi-classical island formula for the entanglement negativity in the framework of the defect AdS/BCFT correspondence where the AdS bu…
Balanced Partial Entanglement in Flat Holography
Debarshi Basu
We advance a construction for the balanced partial entanglement entropy (BPE) for bipartite mixed states in a class of -dimensional Galilean conformal field theories dual to…
Entanglement negativity, reflected entropy, and anomalous gravitation
Debarshi Basu, Himanshu Parihar, Vinayak Raj +1
We investigate mixed state entanglement measures of entanglement negativity and reflected entropy for bipartite states in two dimensional conformal field theories with an anomaly t…
Entanglement Wedge in Flat Holography and Entanglement Negativity
Debarshi Basu, Ashish Chandra, Vinayak Raj +1
We establish a construction for the entanglement wedge in asymptotically flat bulk geometries for subsystems in dual -dimensional Galilean conformal field theories in the co…
Page Curve for Entanglement Negativity through Geometric Evaporation
Jaydeep Kumar Basak, Debarshi Basu, Vinay Malvimat +2
We compute the entanglement negativity for various pure and mixed state configurations in a bath coupled to an evaporating two dimensional non-extremal Jackiw-Teitelboim (JT) black…
Entanglement Negativity in Flat Holography
Debarshi Basu, Ashish Chandra, Himanshu Parihar +1
We advance holographic constructions for the entanglement negativity of bipartite states in a class of dimensional Galilean conformal field theories dual to asymptotically…
Islands for Entanglement Negativity
Jaydeep Kumar Basak, Debarshi Basu, Vinay Malvimat +2
We advance two alternative proposals for the island contributions to the entanglement negativity of various pure and mixed state configurations in quantum field theories coupled to…