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7. Mai 2024 · More information: Alessio Rocci et al, The quantum theory of gravitation, effective field theories, and strings: yesterday and today, The European Physical Journal H (2024). DOI: 10.1140/epjh ...
13. Mai 2024 · In the present work, we focus on how to obtain the quantum counterpart of the generalized equipartition theorem for arbitrary quadratic systems in which the multimode Brownian oscillators interact with multiple reservoirs at the same temperature. An alternative method of deriving the energy of the system is also discussed and compared with the result of the quantum version of the equipartition ...
Vor 4 Tagen · The development of the Standard Model was driven by theoretical and experimental particle physicists alike. The Standard Model is a paradigm of a quantum field theory for theorists, exhibiting a wide range of phenomena, including spontaneous symmetry breaking, anomalies, and non-perturbative behavior.
3. Mai 2024 · Later in the century, Steven Weinberg, a pioneer of both Effective Field Theory and the Standard Model of particle physics, began a process of cross-fertilization between these areas and the research area of quantum gravity that produced our current view on Einstein’s theory. From the mid-1980s, string theory set up a possible framework to approach quantum gravity using a ‘top-down ...
24. Mai 2024 · Quantum nonlocality does not allow for faster-than-light communication, and hence is compatible with special relativity and its universal speed limit of objects. Thus, quantum theory is local in the strict sense defined by special relativity and, as such, the term "quantum nonlocality" is sometimes considered a misnomer.
Vor einem Tag · Quantum advantage comes in the form of time complexity rather than computability, and quantum complexity theory shows that some quantum algorithms are exponentially more efficient than the best known classical algorithms. A large-scale quantum computer could in theory solve computational problems unsolvable by a classical computer in any reasonable amount of time. While claims of such
23. Mai 2024 · In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a mathematical solution is known, and add an additional "perturbing" Hamiltonian representing a weak disturbance to the system.
