102 citations
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4 papers · 1 filter
Soft-Collinear Effective Theory: BRST Formulation
Sudhaker Upadhyay, Bhabani Prasad Mandal
We provide a systematic BRST formalism for the soft-collinear effective theory describing interactions of soft and collinear degrees of freedom in the presence of a hard interactio…
Perturbed thermodynamics of charged black hole solution in Rastall theory
Behnam Pourhassan, Sudhaker Upadhyay
We study the thermodynamics of a charged black hole surrounded by a perfect fluid in Rastall theory and investigate three different cases of quintessence, dust and radiation fields…
Time dependent dark energy and the thermodynamics of many-body systems
Behnam Pourhassan, Sudhaker Upadhyay
In this paper, we study the thermodynamics and statistics of the galaxies clustering affected by the dynamical dark energy. We consider two important dark energy models based on ti…
Quantum Process Randomness
Sreetama Das, Asutosh Kumar, Aditi Sen De +1
We study the optimization of any quantum process by minimizing the "randomness" in the measurement result at the output of that quantum process. We conceptualize and propose a meas…