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  1. Formalism of Quantum Theory

    This chapter presents the basics of the quantum formalism and axiomatics. The introduction is rather long, although elementary. (The readers who had...
    Chapter 2023
  2. Wehrl entropy of entangled oscillators from the Segal–Bargmann formalism

    Abstract

    In this manuscript, we study the Wehrl entropy of entangled oscillators. This semiclassical entropy associated with the phase-space...

    David Alonso-López, Jose A. R. Cembranos, ... Andrés Mínguez-Sánchez in The European Physical Journal D
    Article 15 March 2023
  3. Finite Temperature Green Function Formalism

    Develo** a Green function formalism similar to the \(T=0\)...
    Jaime Merino, Alfredo Levy Yeyati in Many-Body Techniques in Condensed Matter Physics
    Chapter 2024
  4. Double dimensional reduction of M5-brane action in Sen formalism

    In this paper, we present double dimensional reduction of the complete M5-brane action in the Sen formalism of self-dual form. Although in this...

    Anajak Phonchantuek, Pichet Vanichchapongjaroen in The European Physical Journal C
    Article Open access 10 August 2023
  5. Soft constraints on KMOC formalism

    In this note, we investigate the implications of classical soft theorems for the formalism developed by Kosower, Maybee and O’Connell (KMOC) to...

    Yilber Fabian Bautista, Alok Laddha in Journal of High Energy Physics
    Article Open access 05 December 2022
  6. Applying the Effective Bond Energy Formalism (EBEF) to Describe the Sigma (σ) Phase in the Co-Cr-Ni-Re System

    Proper descriptions of Topologically Closed-Packed (TCP) phases in thermodynamic databases are essential to adequately design new alloys. Thus, the...

    Júlio César Pereira dos Santos, Sean Griesemer, ... Carelyn E. Campbell in Journal of Phase Equilibria and Diffusion
    Article 30 December 2023
  7. Spinor-helicity formalism for massive and massless amplitudes in five dimensions

    Five-dimensional gauge and gravity theories are known to exhibit striking properties. D = 5 is the lowest dimension where massive tensor states...

    Marco Chiodaroli, Murat Günaydin, ... Radu Roiban in Journal of High Energy Physics
    Article Open access 03 February 2023
  8. 4×4 Transfer Matrix T p for Isotropic Films

    Isotropic materials can be treated much easier and by simpler equations than through the 4×4 approach. However, the isotropic solution within the 4×4...
    Chapter
  9. Classical observables from the exponential representation of the gravitational S-matrix

    By combining the KMOC-formalism with the exponential representation of the scattering matrix we show that the two-body scattering angle is given by...

    Poul H. Damgaard, Elias Roos Hansen, ... Pierre Vanhove in Journal of High Energy Physics
    Article Open access 26 September 2023
  10. Kinetic coefficients in a time-dependent Green’s function formalism at finite temperature

    Abstract

    We discuss microscopic foundations of dissipation arising in a model Fermi or Bose system with weak local interaction. We consider the...

    V. A. Krivopol, M. Yu. Nalimov in Theoretical and Mathematical Physics
    Article 21 December 2022
  11. Calculating composite-particle spectra in Hamiltonian formalism and demonstration in 2-flavor QED1+1d

    We consider three distinct methods to compute the mass spectrum of gauge theories in the Hamiltonian formalism: (1) correlation-function scheme, (2)...

    Etsuko Itou, Akira Matsumoto, Yuya Tanizaki in Journal of High Energy Physics
    Article Open access 30 November 2023
  12. An Efficient Method for Determining Matrix Elements of the Dipole Moment Operator and Corrections to the Energy of a Polyatomic Molecule Using the Perturbation Theory within the Polynomials of Quantum Numbers Formalism

    Abstract

    Anharmonic corrections to the energy and dipole-moment matrix elements up to the second order are obtained for polyatomic molecules within...

    M. Yu. Yur’ev, V. M. Vakhromov, ... L. B. Klink in Optics and Spectroscopy
    Article 01 September 2021
  13. Second-order modes of transverse oscillations in intense beams: Chernin’s matrix formalism versus Vlasov–Poisson equations

    We study an intense space charge dominated beam in the realm of beam optics of particle accelerators. We assume an anisotropic beam with different...

    Article 23 April 2021
  14. Information-Theoretic Interpretation of Quantum Formalism

    We present an information-theoretic interpretation of quantum formalism based on a Bayesian framework and devoid of any extra axiom or principle....

    Michel Feldmann in Foundations of Physics
    Article 21 May 2023
  15. Study of coupling efficiency of a laser diode to a cylindrical microlens tipped single-mode circular core dispersion-shifted and dispersion-flattened fibers using ABCD matrix formalism

    A theoretical investigation of coupling optics is presented in this paper based on ABCD matrix formulation in order to predict the coupling...

    Bishuddhananda Das, Angshuman Majumdar in Journal of Optics
    Article 05 February 2023
  16. Scattering three closed strings off a Dp-brane in pure spinor formalism

    We compute the disk amplitude of three closed strings in the pure spinor formalism. Among others, this amplitude probes tree-level gravitational...

    Andreas Bischof, Michael Haack, Stephan Stieberger in Journal of High Energy Physics
    Article Open access 30 October 2023
  17. S-matrix path integral approach to symmetries and soft theorems

    We explore a formulation of the S-matrix in terms of the path integral with specified asymptotic data, as originally proposed by Arefeva, Faddeev,...

    Seolhwa Kim, Per Kraus, ... Richard M. Myers in Journal of High Energy Physics
    Article Open access 05 October 2023
  18. A formalism for extracting track functions from jet measurements

    The continued success of the jet substructure program will require widespread use of tracking information to enable increasingly precise measurements...

    Kyle Lee, Ian Moult, ... Wouter J. Waalewijn in Journal of High Energy Physics
    Article Open access 31 January 2024
  19. Comparison between the QP formalism and the Painlevé property in integrable dynamical systems

    Abstract

    The quasipolynomial (QP) formalism and the Painlevé property constitute two distinct approaches for studying the integrability of systems...

    T. Bountis, L. Brenig in Theoretical and Mathematical Physics
    Article 26 August 2022
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