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Article
Discussion on a possible neutrino detector located in India
We have identified some important and worthwhile physics opportunities with a possible neutrino detector located in India. Particular emphasis is placed on the geographical advantage with a stress on the compl...
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Article
Preface
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Article
Spontaneous parity breaking and supersymmetry breaking in metastable vacua with consistent
We study the compatibility of spontaneous breaking of parity and successful cosmology in a left-right symmetric model where supersymmetry breaking is achieved in metastable vacua. We show that domain walls for...
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Article
The conception of photons - Part I
In the year 1900, Max Planck was led by experimental observations to propose a strange formula for the intensity as a function of frequency for light emitted by a cavity made in a hot substance such as a metal...
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Chapter and Conference Paper
Infrared Abelian Dominance in a Special Gauge
Maximal Abelian gauge has been a particular choice to study dynamical generation of off-diagonal gluon masses in QCD. This gauge is a special case of an Abelian projection. Abelian dominance is characterized b...
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Article
The conception of photons–Part II
In this second part of the article, we present how S N Bose’s 1924 paper provided a systematic derivation of Planck’s formula using the conception of photons, filling the major lacuna that was preventing the a...
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Article
Flowering to bloom of PeV scale supersymmetric left–right symmetric models
Unified models incorporating right-handed neutrino in a symmetric way generically possess parity symmetry. If this is broken spontaneously, it results in the formation of domain walls in the early Universe, wh...
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Chapter
Stability Longevity and All That: False Vacua and Topological Defects
I present two interesting studies related to the role of solitons in theories with spontaneous symmetry breaking. Quantised fermions coupled to solitons are known to induce fractional fermion number. I present...
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Article
Why PeV scale left–right symmetry is a good thing
Left–right symmetric gauge theory presents a minimal paradigm to accommodate massive neutrinos with all the known conserved symmetries duly gauged. The work presented here is based on the argument that the see...
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Article
Open AccessTunneling decay of false vortices with gravitation
We study the effect of vortices on the tunneling decay of a symmetry-breaking false vacuum in three spacetime dimensions with gravity. The scenario considered is one in which the initial state, rather than bei...
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Article
Reflections on James Bond of AI
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Chapter and Conference Paper
\(0\nu \beta \beta \) Signature in LRSM with Higgs Bidoublet and Doublets
We consider a version of Left-Right Symmetric Model in which the scalar sector consists of a Higgs bidoublet ( \(\varPhi \) ...
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Article
Open AccessNeutrino mass, mixing and muon g − 2 explanation in \( \mathrm{U}{(1)}_{L_{\mu }-{L}_{\tau }} \) extension of left-right theory
We consider a gauged U 1 ...
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Article
Open AccessVacuum structure of Alternative Left-Right Model
We investigate an Alternative Left-Right Model (ALRM) with SU(2)L as well as SU(2)R gauge groups, but unlike the traditional left-right symmetric models (LRSM) is not symmetric under the exchange of the fermion c...
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Article
Open AccessEffect of large light-heavy neutrino mixing and natural type-II seesaw dominance to lepton flavor violation and neutrinoless double beta decay
We derive the lower bound on absolute scale of lightest neutrino mass for normal hierarchy and inverted hierarchy pattern of light neutrinos by studying the new physics contributions to charged lepton flavour ...
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Article
Open AccessDark matter in the Alternative Left Right model
The Alternative Left-Right Model is an attractive variation of the usual Left-Right Symmetric Model because it avoids flavour-changing neutral currents, thus allowing the additional Higgs bosons in the model t...
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Article
Open AccessCharge imbalance resolved Rényi negativity for free compact boson: Two disjoint interval case
In this paper, we study the symmetry decomposition of Rényi negativity into charge imbalance sectors for the 1+1 dimensional free compact boson field with a global U(1) symmetry in the ground state for the cas...
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Article
Open AccessGravitational wave signature of generic disappearance of Z2-symmetry breaking domain walls
Breaking of discrete parity at high scale gives rise to Z2-domain walls (DW). The metastability of such walls can make them relatively long lived and contradict standard cosmology. We consider two classes of theo...
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Article
Open AccessMulti-charged moments and symmetry-resolved Rényi entropy of free compact boson for multiple disjoint intervals
We study multi-charged moments and symmetry-resolved Rényi entropy of free compact boson for multiple disjoint intervals. The Rényi entropy evaluation involves computing the partition function of the theory on...
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Article
Reheating constraints on modified quadratic chaotic inflation
The reheating era of inflationary universe can be parameterized by various parameters like reheating temperature \(T_{\text {re}}\) ...