Tapas Kumar Das

Spherical accretion in the Schwarzschild spacetime in the Newtonian analogous construct

#1

(Mar 6, 2025)

Published in:
- Astrophys.J. 978 (2025) 155
•
e-Print:
- 2503.04275 [gr-qc]

pdfDOI

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Effect of spin on the dynamics of multi-component trans-relativistic accretion flows around Kerr black holes

#2

(Mar 6, 2025)

e-Print:
- 2503.04321 [astro-ph.HE]

pdf

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Gravity as emergent phenomena for spherically symmetric black hole accretion of multi-component flow with relativistic equation of state

#3

(Jan 26, 2025)

e-Print:
- 2501.15676 [gr-qc]

pdf

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Topological defects on mass spectra of quarkonium system with a Class of Yukawa potential (CYP)

#4

(Oct 10, 2024)

Published in:
- Int.J.Mod.Phys.A 39 (2024) 25, 2450108

DOI

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Symmetry, superposition, and fragmentation in classical spin liquids: A general framework and applications to square kagome magnets

#5

(Jul 17, 2024)

Published in:
- Phys.Rev.B 110 (2024) 6, L060401
•
e-Print:
- 2407.12559 [cond-mat.str-el]

pdfDOI

reference search3 citations

Three-Loop Effect in r.m.s and Charge Radii of Heavy Flavored Mesons in a QCD Potential Model

#6

Tapashi Das
(
- M.N. College
)
,
K.K. Pathak
(
- Arya Vidyapith Coll.
)
,
D.K. Choudhury
(
- Gauhati U.
)

(Jul 12, 2024)

Published in:
- Int.J.Theor.Phys. 63 (2024) 7, 172

DOI

reference search1 citation

Bondi Flow from Various Perspectives

#7

(Jun 4, 2024)

e-Print:
- 2406.02673 [astro-ph.HE]

pdf

reference search1 citation

"Nonlocality-of-a-single-photon'' based Quantum Key Distribution and Random Number Generation schemes and their device-independent security analysis

#8

Konrad Schlichtholz
(
- Gdansk U.
)
,
Bianka Woloncewicz
(
- Gdansk U.
)
,
Tamoghna Das
(
- Indian Inst. Tech., Kharagpur
)
,
Marcin Markiewicz
(
- Gdansk U.
)
,
Marek Żukowski
(
- Gdansk U.
)

(Nov 13, 2023)

e-Print:
- 2311.07451 [quant-ph]

pdf

reference search2 citations

Dimensional advantage in secure information trading via the noisy dense-coding protocol

#9

(Oct 31, 2023)

Published in:
- Phys.Rev.A 110 (2024) 3, 032419
•
e-Print:
- 2310.20688 [quant-ph]

pdfDOI

reference search2 citations

A Hermitian bypass to the non-Hermitian quantum theory

#10

(Oct 16, 2023)

Published in:
- J.Phys.A 58 (2025) 12, 125303
•
e-Print:
- 2310.10263 [quant-ph]

pdfDOI

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Weak decays of

B_{c}

meson in a QCD potential model

#11

(Apr 29, 2023)

Published in:
- Indian J.Phys. 97 (2023) 12, 3685-3689

DOI

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Emergent glassiness in the disorder-free Kitaev model: Density matrix renormalization group study on a one-dimensional ladder setting

#12

(Feb 28, 2023)

Published in:
- Phys.Rev.B 108 (2023) 16, 165118
•
e-Print:
- 2302.14328 [cond-mat.str-el]

pdfDOI

reference search6 citations

Limitations on a device-independent key secure against a nonsignaling adversary via squashed nonlocality

#13

Marek Winczewski
(
- Gdansk U.
)
,
Tamoghna Das
(
- Gdansk U.
)
,
Karol Horodecki
(
- Gdansk U. and
- Cornell U., Appl. Eng. Phys. School
)

(Nov 29, 2022)

Published in:
- Phys.Rev.A 106 (2022) 5, 052612

DOI

reference search6 citations

Dynamical spacetimes from nonlinear perturbations

#14

Karan Fernandes
(
- Taiwan, Natl. Taiwan U. and
- Harish-Chandra Res. Inst.
)
,
Susovan Maity
(
- Harish-Chandra Res. Inst.
)
,
Tapas Das
(
- HBNI, Mumbai and
- Harish-Chandra Res. Inst.
)

(Jul 15, 2022)

Published in:
- Phys.Rev.D 106 (2022) 2, L021701

DOI

reference search2 citations

Improved entanglement indicators for optical fields and its application in the event-ready experiment for bright squeezed vacuum with induced non-gaussianity

#15

(May 11, 2022)

e-Print:
- 2205.05641 [quant-ph]

pdf

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Quantum dense coding network using multimode squeezed states of light

#16

Ayan Patra
(
- Harish-Chandra Res. Inst.
)
,
Rivu Gupta
(
- Harish-Chandra Res. Inst.
)
,
Saptarshi Roy
(
- Hong Kong U. and
- Oxford U.
)
,
Tamoghna Das
(
- Gdansk U.
)
,
Aditi Sen De
(
- Harish-Chandra Res. Inst.
)

(Apr 29, 2022)

Published in:
- Phys.Rev.A 106 (2022) 5, 052607
•
e-Print:
- 2204.14147 [quant-ph]

pdfDOI

reference search9 citations

Remarks about Bell-nonclassicality of a single photon

#17

et al.

(Mar 5, 2022)

Published in:
- Phys.Lett.A 435 (2022) 128031

DOI

reference search10 citations

Multi-criticality and related bifurcation in accretion discs around non-rotating black holes: an analytical study

#18

(Nov 26, 2021)

Published in:
- Gen.Rel.Grav. 54 (2022) 11, 149
•
e-Print:
- 2111.13592 [astro-ph.HE]

pdfDOI

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Quantum illumination with a light absorbing target

#19

Rivu Gupta
(
- Harish-Chandra Res. Inst.
)
,
Saptarshi Roy
(
- Harish-Chandra Res. Inst.
)
,
Tamoghna Das
(
- Gdansk U.
)
,
Aditi Sen De
(
- Harish-Chandra Res. Inst.
)

(Nov 1, 2021)

e-Print:
- 2111.01069 [quant-ph]

pdf

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Optimal Interferometry for Bell Nonclassicality Induced by a Vacuum–One-Photon Qubit

#20

(Sep 21, 2021)

Published in:
- Phys.Rev.Applied 18 (2022) 3, 034074
•
e-Print:
- 2109.10170 [quant-ph]

pdfDOI

reference search8 citations

Comment on ‘Single particle nonlocality with completely independent reference states’

#21

et al.

(Jul 16, 2021)

Published in:
- New J.Phys. 24 (2022) 3, 038001
•
e-Print:
- 2107.07951 [quant-ph]

pdfDOI

reference search10 citations

Quantum illumination with noisy probes: Conditional advantages of non-Gaussianity

#22

Rivu Gupta
(
- Harish-Chandra Res. Inst.
)
,
Saptarshi Roy
(
- Hong Kong U.
)
,
Tamoghna Das
(
- Indian Inst. Tech., Kharagpur
)
,
Aditi Sen De
(
- Harish-Chandra Res. Inst.
)

(Jul 6, 2021)

Published in:
- Phys.Lett.A 505 (2024) 129446
•
e-Print:
- 2107.02774 [quant-ph]

pdfDOI

reference search3 citations

Carter-Penrose diagrams for emergent spacetime in axisymmetrically accreting black hole systems

#23

(Jun 14, 2021)

Published in:
- Phys.Rev.D 106 (2022) 4, 044062
•
e-Print:
- 2106.07598 [gr-qc]

pdfDOI

reference search3 citations

Dynamical analog spacetimes in nonrelativistic flows

#24

(Jun 14, 2021)

Published in:
- Phys.Rev.D 106 (2022) 2, 025020
•
e-Print:
- 2106.07618 [gr-qc]

pdfDOI

reference search2 citations

Wave–particle complementarity: detecting violation of local realism with photon-number resolving weak-field homodyne measurements

#25

et al.

(Apr 21, 2021)

Published in:
- New J.Phys. 24 (2022) 3, 033017
•
e-Print:
- 2104.10703 [quant-ph]

pdfDOI

reference search12 citations

Tapas Kumar Das(
Bose Inst., Kolkata
)

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Tapas Kumar Das(Bose Inst., Kolkata)

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Tapas Kumar Das(
Bose Inst., Kolkata
)