A5055095120- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Cosmology and Gravitation Theories
- Pulsars and Gravitational Waves Research
- Gas Dynamics and Kinetic Theory
- Particle physics theoretical and experimental studies
- Fluid Dynamics and Turbulent Flows
- Theoretical and Computational Physics
- Nuclear reactor physics and engineering
- Stochastic processes and statistical mechanics
- Solar and Space Plasma Dynamics
- Insect Resistance and Genetics
- Cold Atom Physics and Bose-Einstein Condensates
- Plant tissue culture and regeneration
- Biofield Effects and Biophysics
- Quantum Mechanics and Applications
- CRISPR and Genetic Engineering
- Fungal and yeast genetics research
- Quantum, superfluid, helium dynamics
- Physics of Superconductivity and Magnetism
- Astrophysics and Cosmic Phenomena
- Ionosphere and magnetosphere dynamics
- Plant-Microbe Interactions and Immunity
- Biofuel production and bioconversion
Goethe University Frankfurt
2022-2023
National Institute of Science Education and Research
2018-2022
Center for Excellence in Basic Sciences
2020-2022
University of Mumbai
2022
An intense transient magnetic field is produced in high energy heavy-ion collisions mostly due to the spectator protons inside two colliding nuclei. The introduces anisotropy medium, and hence isotropic scalar transport coefficients become anisotropic split into multiple components. Here, we calculate coefficients' shear, bulk viscosity, electrical conductivity, thermal diffusion for a multicomponent hadron resonance gas (HRG) model nonzero by using Boltzmann equation relaxation time...
We study charge diffusion in relativistic resistive second-order dissipative magnetohydrodynamics. In this theory, is not simply given by the standard Navier-Stokes form of Ohm's law, but an evolution equation which ensures causality and stability. This, turn, leads to transient effects charge-diffusion current, nature depends on particular values electrical conductivity relaxation time. The ensuing equations motion are so-called stiff character, requires special care when solving them...
The Boltzmann equation is solved in the relaxation time approximation using a hierarchy of angular moments distribution function. Our solution obtained for an azimuthally symmetric radially expanding boost-invariant conformal system that undergoing Gubser flow. we get after truncating infinite set equations at various orders compared to exact kinetic solution. dynamics transition described by presence fixed points which describes evolution from early collisionless free streaming hydrodynamic...
A bstract We derive the relativistic non-resistive, viscous second-order magnetohydrodynamic equations for dissipative quantities using relaxation time approximation. The Boltzmann equation is solved a system of particles and antiparticles Chapman-Enskog like gradient expansion single-particle distribution function truncated at second order. In first order, transport coefficients are independent magnetic field. second-order, new that couple field appear which different from those obtained in...
A bstract We investigate the causality and stability of relativistic viscous non-resistive magneto-hydrodynamics in framework Israel-Stewart (IS) second-order theory, also within a modified IS theory which incorporates effect magnetic fields relaxation equations stress. compute dispersion relation by perturbing fluid variables around their equilibrium values. In ideal magnetohydrodynamics limit, linear yields well-known propagating modes: Alfvén magneto-sonic modes. presence bulk pressure,...
In this article, there are 18 sections discussing various current topics in the field of relativistic heavy-ion collisions and related phenomena, which will serve as a snapshot state art. Section 1 reviews experimental results some recent light-flavored particle production data from ALICE collaboration. Other mostly theoretical nature. Very strong but transient magnetic created could have important observational consequences. This has generated lot activity last decade. Sections 2, 7, 9, 10...
Here we derive the relativistic resistive dissipative second-order magnetohydrodynamic evolution equations using Boltzmann equation, thus extending our work from previous paper [A. K. Panda et al., J. High Energy Phys. 03 (2021) 216] where considered nonresistive limit. We solve equation for a system of particles and antiparticles relaxation time approximation Chapman-Enskog--like gradient expansion off-equilibrium distribution function, truncating beyond second order. In first order, bulk...
An extension of Hadron Resonance Gas (HRG) model is constructed to include interactions using relativistic virial expansion partition function. The non-interacting part the contains all stable baryons and mesons interacting higher mass resonances which decay into two hadrons. coefficients are related phase shifts calculated K-matrix formalism in present work. We have various thermodynamics quantities like pressure, energy density, entropy density system. A comparison thermodynamic with non...
We investigate the space-time dependence of electromagnetic fields produced by charged participants in an expanding fluid. To address this problem, we need to solve Maxwell's equations coupled hydrodynamics conservation equation, specifically relativistic magnetohydrodynamics (RMHD) equations, since move with flow. gain analytical insight, approximate problem solving a fixed background Bjorken flow, onto which equations. The dynamical interact fluid's kinematic quantities such as shear...
Abstract Programmed cell death (PCD) is a genetically controlled process for the selective removal of damaged cells. Though understanding about plant PCD has improved over years, mechanisms are yet to be fully deciphered. Among several molecular players in plants, B lymphoma 2 (Bcl-2)-associated athanogene (BAG) family co-chaperones evolutionary conserved and regulate death, growth development. In this study, we performed genome-wide silico analysis MusaBAG gene globally important fruit crop...
The transport coefficients of a multicomponent hadronic gas at zero and nonzero baryon chemical potential are calculated using the Chapman-Enskog method. calculations done within framework an $S$-matrix based interacting hadron resonance model. In this model, phase shifts cross sections $K$-matrix formalism where required, by parametrizing experimental shifts. Using energy dependence section, we find temperature various such as shear viscosity, bulk heat conductivity, diffusion coefficient....
The interplay of magnetic field and thermal vorticity in a relativistic ideal fluid might generate during the evolution provided flow fields entropy density is inhomogeneous (Mahajan Yoshida 2010 Phys. Rev. Lett. 105, 095005). Exploiting this fact assuming large Reynolds number we study generalized () which defined as combination usual (ωμν), 2(space) + 1(time) dimensional isentropic quark–gluon plasma with longitudinal boost invariance. temporal found to be different than , also depends on...
Expansion of a locally equilibrated fluid is considered in an anisotropic space-time given by Bianchi type I metric. Starting from isotropic equilibrium phase-space distribution function the local rest frame, we obtain expressions for components energy-momentum tensor and conserved current, such as number density, energy density pressure components. In case axis-symmetric metric, show that they are identical to obtained within setup hydrodynamics. We further consider when metric vacuum...
Abstract Bidirectional promoters (BDPs) are regulatory DNA sequences (~1000 bp long) intervening two genes arranged on opposite strands with their 5′ ends in close proximity. These mostly co-expressed; but, instances of anti-correlation and independent transcription have been observed. In fungal systems, BDPs shown to provide an improved genetic circuit by assembling regulating different a common metabolic pathway. We identified intergenic region (1063 bp) from the genome Fusarium oxysporum...
A noninteracting hadron resonance gas model is used often to study the hadronic phase formed in heavy ion collisions. Interaction among various constituents can be included using an S-matrix-based virial expansion approach. The coefficients require dynamical information about scattering shifts, which compute thermodynamic observables of interacting gas. attractive part shifts are calculated K-matrix formalism while repulsive obtained by fitting experimental data. Calculation variables like...
A simple effective model for the intermediate-density regime is constructed from high-density theory of quantum chromodynamics (QCD). In model, under a renormalization-group (RG) scaling towards low momenta, original QCD interactions lead to four-quark contact relevant quark and hole modes around Fermi surface. The interaction in scalar channel can be traced back zero-sound-type collinear scattering near surface an instanton background. states opposite directions given velocity form...
The Schr\"odinger-Newton equation has frequently been studied as a nonlinear modification of the Schr\"odinger incorporating gravitational self-interaction. However, there is no evidence yet to whether nature actually behaves this way. This work investigates possible way experimentally test effect self-gravity on interference massive particles by numerically solving for particle passing through double-slit. results show that presence self-interaction an fringe width can be tested in...
We have extended the hadron resonance gas (HRG) model by including effect of both attractive and repulsive interaction in scattering matrix (S-matrix) formalism. The part is calculated using K-matrix formalism while included fitting to experimental phase shifts. various thermodynamics quantities like pressure, energy density, entropy density etc. A good agreement between our calculations hadronic lattice QCD (LQCD) simulations observed. also fluctuations correlations for conserved charges...
Finding the existence and location of QCD critical point is one main goals RHIC beam energy scan program. To make theoretical predictions corroborate with experimental data requires modeling space-time evolution matter created in heavy-ion collisions by dynamical models such as relativistic hydrodynamics an appropriate Equation State (EoS). In present exploratory study, we use a viscous 2+1 dimensional event-by-event (e-by-e) hydrodynamic code at finite baryon densities two different EoSs...