Special Issue "Space-Time and Symmetry Properties: Classical and Quantum Descriptions"
A special issue of Symmetry (ISSN 2073-8994).
Deadline for manuscript submissions: closed (30 April 2020).
Interests: general relativity; quantum gravity; quantum field theory; statistical physics; kinetic theories; plasma physics
The understanding of the geometrical structure of space–time via continuum or discrete representations poses challenging conceptual physical and mathematical questions. The goal of this Special Issue is to focus, in particular, on the small and large-scale geometrical/physical properties of space-time and its symmetry features, to motivate the investigation of a number of related topics arising both in the framework of the Einstein classical theory of General Relativity as well as among candidate theories of quantum gravity. These topics will concern in particular:
- The space–time transformation properties with respect to the group of local point, i.e., coordinate, transformations and the consistency of current realizations adopted for classical and quantum gravity theories with respect to the principle of manifest covariance. The issue pertains both the identification of the classical Hamiltonian and Hamilton-Jacobi structures of General Relativity, as well as corresponding prescription of the physical postulates at the basis of a quantum mechanical description of space-time and canonical quantization.
- The symmetry properties of space-time related to the emergent gravity phenomenon, whereby certain physical observables/characteristics of classical General Relativity follow from quantum gravity theory. These concern both the prescription of the local-coordinate value of the space-time metric tensor, via a suitable quantum expectation value, as well as the establishment of the very functional form of the General Relativity field equations.
- Trajectory-based dynamics of classical and quantum gravitational field and statistical foundations of quantum space-time dynamics, including validity of Heisenberg inequalities, thermodynamical characterization and entropic principles.
Contributing papers addressing the issues mentioned above are welcome.
Dr. Claudio Cremaschini
Manuscript Submission Information
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.
Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- Space-time local-point transformations and manifest covariance principle
- Hamiltonian structure of space-time and variational formulation of General Relativity
- Hamiltonian and Hamilton-Jacobi canonical quantization of classical gravity: continuum vs discrete space-time configurations
- Trajectory-based representation of quantum space-time dynamics and emergent gravity phenomenon
- Statistical characterization of quantum gravity field and implications on space-time symmetry properties