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Aspects of time dependence in quantum quenches
In this thesis we study the time dependence of correlators such as Green function, entanglement (Renyi) entropy and mutual information following quantum quench in Conformal Field Theories (CFTs) and their holographic duals ...
Quantum dynamics of weak measurements: Understanding the Born rule and applying weak error correction
Projective measurement is used as a fundamental axiom in quantum mechanics, even though it is discontinuous and cannot predict which measured operator eigen state will be observed in which experimental run. The probabilistic ...
Understanding Conformal Field Theory in Mellin Space
In the last decade, there has been tremendous progress in understanding conformal eld theories in
more than two space-time dimensions. The numerical bootstrap framework has been pushed to a very
advanced level of ...
Heavy flavour and direct photon probes of the gluon Sivers function
Traditionally the production of heavy quarkonia, heavy-flavour mesons as well as of direct photons,
has been used to constrain the gluon density inside the proton. In this thesis, I have assessed
various heavy flavour ...
Higgs phenomenology and Dark Matter prospects in MSSM, NMSSM and U(1) extended SM
Particle physics today is at a juncture where all particles predicted within Standard
Model (SM) have been discovered at the particle colliders while no particles from the realm
of physics beyond the Standard Model (BSM) ...
Applications of Moonshine Symmetry in String Theory
In this thesis we study the applications of Mathieu moonshine symmetry to compacti cations of supersymmetric
string theories. These theories are compacti ed on a 6 dimensional manifold K3 T2. The
main ingredient in ...
Aspects of Heavy Supersymmetry
The recent discovery of a Higgs boson with a mass around 125 GeV, taken together with experimental results from flavor factories, dark matter direct detection, and searches for SUSY particles in the LHC suggest that ...
A Study of the Low-Energy Spectrum and Phase Structure of a Yang-Mills Matrix Model
Yang-Mills theory is a non-Abelian gauge theory based on the gauge group SU(N), and lies at the heart
of the QCD, the theory underlying strong interactions. Due to the fundamental property of asymptotic
freedom, a study ...
Applications of Holography
This thesis consists of four parts. In the first part of the thesis, we investigate the phase
structure of Einstein-Maxwell-Scalar system with a negative cosmological constant. For
the conformally coupled scalar, an ...
Some phenomenological studies of the Higgs boson(s) in the Standard Model and beyond
The fundamental particles and their interactions are described by the Standard Model (SM) of particle physics. Various experiments has been performed over the years and they indicate towards the consistency of the SM with ...