Structure of Nucleon Excited States from Lattice QCD, Stokes Finn M.

Автор: Sauro Succi
Название: The Lattice Boltzmann Equation
ISBN: 0199592357 ISBN-13(EAN): 9780199592357
Издательство: Oxford Academ
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Описание: An introductory textbook to Lattice Boltzmann methods in computational fluid dynamics, aimed at a broad audience of scientists working with flowing matter. LB has known a burgeoning growth of applications, especially in connection with the simulation of complex flows, and also on the methodological side.

Автор: Huey-Wen Lin; Harvey B. Meyer
Название: Lattice QCD for Nuclear Physics
ISBN: 3319080210 ISBN-13(EAN): 9783319080215
Издательство: Springer
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Описание: Lattice QCD for Nuclear Physics

Автор: Kadir Utku Can
Название: Electromagnetic Form Factors of Charmed Baryons in Lattice QCD
ISBN: 9811342938 ISBN-13(EAN): 9789811342936
Издательство: Springer
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Описание: This thesis presents the first lattice quantum chromodynamics (QCD) approach to the charmed baryon regime, building on the knowledge and experience gained with former lattice QCD applications to nucleon structure. The thesis provides valuable insights into the dynamics of yet unobserved charmed baryon systems. Most notably, it confirms that the expectations of model or effective field theoretical calculations of heavy-hadron systems hold qualitatively, while also demonstrating that they conflict with the quantitative results, pointing to a tension between these complementary approaches. Further, the book presents a cutting-edge approach to understanding the structure and dynamics of hadrons made of quarks and gluons using QCD, and successfully extends the approach to charmed hadrons. In particular, the thesis investigate a peculiar property of charmed hadrons whose dynamics, i.e., structure, deviates from their counterparts, e.g., those of protons and neutrons, by employing the lattice QCD approach —a state-of-the-art numerical method and the powerful ab initio, non-perturbative method.

Автор: Dalla Piazza Bastien
Название: Excitation Spectra of Square Lattice Antiferromagnets: Theoretical Explanation of Experimental Observations
ISBN: 3319799517 ISBN-13(EAN): 9783319799513
Издательство: Springer
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Описание: This thesis presents a qualitative advance in our understanding of quantum effects in layered magnetic materials. It has long been established that in one dimension quantum fluctuations lead to a quantum disordered ground state with fractional excitations called spinons."

Автор: Stokes Finn M.
Название: Structure of Nucleon Excited States from Lattice QCD
ISBN: 3030257215 ISBN-13(EAN): 9783030257217
Издательство: Springer
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Описание: Quantum Chromodynamics (QCD) describes the interactions between elementary quarks and gluons as they compose the nucleons at the heart of atomic structure. The interactions give rise to complexity that can only be examined via numerical simulations on supercomputers. This work provides an introduction to the numerical simulations of lattice QCD and establishes new formalisms relevant to understanding the structure of nucleons and their excited states. The research opens with an examination of the non-trivial QCD vacuum and the emergence of “centre domains.” The focus then turns to establishing a novel Parity-Expanded Variational Analysis (PEVA) technique solving the important problem of isolating baryon states moving with finite momentum. This seminal work provides a foundation for future calculations of baryon properties. Implementation of the PEVA formalism discloses important systematic errors in conventional calculations and reveals the structure of nucleon excited states from the first principles of QCD for the first time.

Автор: Phiala Elisabeth Shanahan
Название: Strangeness and Charge Symmetry Violation in Nucleon Structure
ISBN: 3319314378 ISBN-13(EAN): 9783319314372
Издательство: Springer
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Цена: 104480.00 T
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Описание: In this thesis, the numerical lattice gauge theory approach to QCD is combined with the chiral perturbation theory formalism to determine strange and CSV quantities in a diverse range of observables including the octet baryon masses, sigma terms, electromagnetic form factors, and parton distribution functions.

Автор: Shanahan Phiala Elisabeth
Название: Strangeness and Charge Symmetry Violation in Nucleon Structure
ISBN: 3319810413 ISBN-13(EAN): 9783319810416
Издательство: Springer
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Описание: In this thesis, the numerical lattice gauge theory approach to QCD is combined with the chiral perturbation theory formalism to determine strange and CSV quantities in a diverse range of observables including the octet baryon masses, sigma terms, electromagnetic form factors, and parton distribution functions.

Автор: Pinheiro Fernanda
Название: Multi-Species Systems in Optical Lattices: From Orbital Physics in Excited Bands to Effects of Disorder
ISBN: 3319828320 ISBN-13(EAN): 9783319828329
Издательство: Springer
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Описание: This highly interdisciplinary thesis covers a wide range of topics relating to the interface of cold atoms, quantum simulation, quantum magnetism and disorder.

Автор: Solon Mikhail P.
Название: Heavy Wimp Effective Theory: Formalism and Applications for Scattering on Nucleon Targets
ISBN: 3319797506 ISBN-13(EAN): 9783319797502
Издательство: Springer
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Описание: This book is about dark matter`s particle nature and the implications of a new symmetry that appears when a hypothetical dark matter particle is heavy compared to known elementary particles.

Автор: Elena Santopinto; RALF GOTHE; Viktor I. Mokeev
Название: Special Issue on Nucleon Resonances
ISBN: 3709148707 ISBN-13(EAN): 9783709148709
Издательство: Springer
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Автор: Can
Название: Electromagnetic Form Factors of Charmed Baryons in Lattice QCD
ISBN: 9811089949 ISBN-13(EAN): 9789811089947
Издательство: Springer
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Цена: 102480.00 T
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Описание: This thesis presents the first lattice quantum chromodynamics (QCD) approach to the charmed baryon regime, building on the knowledge and experience gained with former lattice QCD applications to nucleon structure.

Автор: Suman Baral
Название: Thomas-Fermi Model for Mesons and Noise Subtraction Techniques in Lattice QCD
ISBN: 3030309037 ISBN-13(EAN): 9783030309039
Издательство: Springer
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Описание: This thesis make significant contributions to both the numerical and analytical aspects of particle physics, reducing the noise associated with matrix calculations in quantum chromodynamics (QCD) and modeling multi-quark mesonic matters that could be used to investigate particles previously unseen in nature. Several methods are developed that can reduce the statistical uncertainty in the extraction of hard-to-detect lattice QCD signals from disconnected diagrams. The most promising technique beats competing methods by 1700 percent, leading to a potential decrease in the computation time of quark loop quantities by an order of magnitude. This not only increases efficiency but also works for QCD matrices with almost-zero eigenvalues, a region where most QCD algorithms break down. This thesis also develops analytical solutions used to investigate exotic particles, specifically the Thomas-Fermi quark model, giving insight into possible new states formed from mesonic matter. The main benefit of this model is that it can work for a large number of quarks which is currently almost impossible with lattice QCD. Patterns of single-quark energies are observed which give the first a priori indication that stable octa-quark and hexadeca-quark versions of the charmed and bottom Z-meson exist.