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    • Centre for High Energy Physics (CHEP)
    • Browsing Centre for High Energy Physics (CHEP) by Title
    •   etd@IISc
    • Division of Physical and Mathematical Sciences
    • Centre for High Energy Physics (CHEP)
    • Browsing Centre for High Energy Physics (CHEP) by Title
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    Browsing Centre for High Energy Physics (CHEP) by Title

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    Now showing items 28-47 of 65

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      • Information scrambling in spin glasses and entanglement transition of monitored bosons 

        Yandoti, Venkata Lokesh Kumar
        In this thesis, I study various aspects of quantum many-body dynamics from the perspective of quantum information scrambling and entanglement dynamics in closed systems as well as systems interacting with the environment. ...
      • Issues in Phenomenology of Heavy Quarks And Leptons 

        Arunprasath, V (2017-09-26)
        The Standard Model (SM) of the particle physics, based on the gauge group SU(3) ×SU(2)L × U(1)Y , has been a successful theory which provides consistent description of all phenomena ranging from the nuclear beta decay to ...
      • Lessons for Conformal Field Theories from Bootstrap and Holography 

        Sen, Kallo (2018-02-06)
        The work done in this thesis includes an exploration of both the conformal field theory techniques and holographic techniques of the Gauge/Gravity duality. From the field theory, we have analyzed the analytical aspects of ...
      • Lessons for Gravity from Entanglement 

        Bhattacharyya, Arpan
        One of the recent fundamental developments in theoretical high energy physics is the AdS/CFT correspondence [1, 2, 3, 4] which posits a relationship between Quantum Field Theories (QFT) in a given dimension and String ...
      • Living on the Edge A Study of Boundary Modes In Two-dimensional Topological Systems 

        Seshadri, Ranjani
        In the last few decades an enormous amount of research has been carried out on some novel phases of matter called topological phases which are beyond the paradigm of Landau’s theory of symmetry breaking. One of the ...
      • Mesonic screening mass at zero and finite chemical potential 

        Thakkar, Rishabh
        The finite temperature analysis of QCD is challenging since perturbation theory is not applicable in that regime. A non-perturbative method like lattice QCD is thus required to obtain an estimate of the necessary observables. ...
      • Model Studies Of The Hot And Dense Strongly Interacting Matter 

        Chatterjee, Sandeep (2016-04-25)
        Ultra-relativisitic heavy ion collisions produce quark gluon plasma-a hot and dense soup of deconfined quarks and gluons akin to the early universe. We study two models in the context of these collisions namely, Polyakov ...
      • New tools to constrain EFTs and CFTs 

        Zahed, Ahmadullah
        In this thesis, we develop new methods for the S matrix bootstrap in the context of 2-2 scattering amplitudes and four-point correlators in conformal field theories (CFTs). For 2-2 scattering in quantum field theories, ...
      • Non-equilibrium phases, criticality and information scrambling in low-dimensional quantum systems 

        Sur, Samudra
        This thesis contains research works encompassing different areas of quantum condensed matter physics in low dimensions ranging from non-equilibrium phases of matter, quantum criticality in equilibrium systems and quantum ...
      • Novel Pathways for Beyond Standard Model Physics 

        Kushwaha, Ashwani
        In the light of discovering the Higgs boson and null results at the LHC, we look for new pathways for Beyond Standard Model Physics, which could accommodate at least one of the Standard Model shortcomings. (i) Unification ...
      • On Hypergeometric solutions of Feynman integrals using Mellin-Barnes Integrals with Applications 

        Banik, Sumit
        Experimental measurements of physical observables in particle colliders rely on high-precision theoretical calculations to validate the predictions of any theoretical model and detect signals of new physics. These theoretical ...
      • Phenomenological Explorations in Dark Matter 

        Chatterjee, Shiuli
        The previous decade has seen an explosive increase in explorations into the nature of dark matter (DM) encompassing astrophysical, particle and cosmological probes. We face today a large body of gravitational evidences ...
      • Probing Higgs Boson Interactions At Future Colliders 

        Biswal, Sudhansu Sekhar (2010-11-11)
        We present in this thesis a detailed analysis of Higgs boson interactions at future colliders. In particular we examine, in a model independent way, the sensitivity of an Linear Collider in probing the interaction of ...
      • Probing the Beyond Standard Model Physics in Top Quark and Dark Matter Sectors 

        Mendiratta, Gaurav (2018-05-22)
        The Standard Model (SM) of particle physics provides the theoretical framework to describe the fundamental interactions among elementary constituents of matter. SM is supported by experiments to a high degree of accuracy, ...
      • Prompt and Displaced Signatures of Physics Beyond the Standard Model 

        Sengupta, Rhitaja
        The quest to understand our Universe’s fundamental particles and their interactions has led us to the Standard Model (SM) of particle physics. Despite successfully explaining the weak, electromagnetic, and strong ...
      • Proposals for probing BSM in unexplored corners of Top physics and Next-to-Minimal Supersymmetric Standard Model (NMSSM) 

        De, Amandip
        Despite its triumphs, the Standard Model (SM) fails to address many experimental observations and theoretical puzzles. Explanation of these necessitates postulation of new physics beyond those in the SM (BSM). The thesis ...
      • Quantum dynamics of weak measurements: Understanding the Born rule and applying weak error correction 

        Kumar, Parveen
        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 ...
      • Quantum Spin Chains And Luttinger Liquids With Junctions : Analytical And Numerical Studies 

        Ravi Chandra, V (2010-03-09)
        We present in this thesis a series of studies on the physical properties of some one dimensional systems. In particular we study the low energy properties of various spin chains and a junction of Luttinger wires. For spin ...
      • Quantum walks and spatial search on regular graph 

        Abhijith, J
        Random walks and algorithms based upon them are used widely to explore large state spaces that arise while studying physical systems. In this thesis, we will discuss some quantum generalizations of such algorithms and study ...
      • Randall-Sundrum Model as a Theory of Flavour 

        Iyer, Abhishek Muralidhar (2018-04-11)
        The discovery of the Higgs boson by the LHC provided the last piece of the puzzle neces- sary for the Standard Model (SM) to be a successful theory of electroweak scale physics. However there exist various phenomenological ...

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