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Particle self-bunching in the Schwinger effect in spacetime
Particle self-bunching in the Schwinger effect in spacetime

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Time Symmetry and the Many-Worlds Interpretation - Philsci
Time Symmetry and the Many-Worlds Interpretation - Philsci

... I find Aharonov’s proposal very problematic. It does remove action at a distance and randomness from basic physical interactions, two of the main difficulties with the collapse postulate. But it still has the third: it is not well defined. The backwards evolving quantum state needs to be tailored in ...
PowerPoint - Subir Sachdev
PowerPoint - Subir Sachdev

... Key difficulty: Multiple order parameters (BoseEinstein condensate, charge density wave, valencebond-solid order…) not related by symmetry, but clearly physically connected. Standard methods only predict strong first order transitions (for generic parameters). Key theoretical tool: Duality ...
A Study on Reversible Logic Gates of Quantum Computing
A Study on Reversible Logic Gates of Quantum Computing

... though a qubit has discrete eigenstates, there is something analog about it also in the continuous range of superposition states that it can take on. In recent years quantum computing becomes a forefront research in the field of algorithms, cryptography and artificial intelligence [5,6].We can descr ...
Quantum-information transport to multiple receivers
Quantum-information transport to multiple receivers

... sites 2 and 2n, and the protocol works without modification. These results will be presented in more detail elsewhere. We have shown the most general case of Alice sending a qubit to the Bobs, but a special case would be where Alice could be a factory of pure states. MRAP could be used to send these ...
Commun. Math. Phys. 227, 605 (2002).
Commun. Math. Phys. 227, 605 (2002).

Quantum Chaos and Quantum Computers
Quantum Chaos and Quantum Computers

... in the limit of strong interaction the RMT remains valid even if the full Hamiltonian matrix is exponentially sparsed. However, much more time was needed to understand the case of relatively weak interaction and to ¢nd the critical Uc above which quantum chaos and RMT set in. Contrary to the naive e ...
The Quantum Measurement Problem: State of Play - Philsci
The Quantum Measurement Problem: State of Play - Philsci

Quantum computation and cryptography: an overview
Quantum computation and cryptography: an overview

... traps (see e.g. Cirac and Zoller 1995), where the coupling between electron and vibrational degrees of freedom allows (in principle) the implementation of operations in a multi-qubit register by absorbtion and emission of photons and phonons. ...
PDF
PDF

... source in the MIT/NU architecture. It consists of two optical parametric amplifiers (OPAs), viz., resonant optical cavities each containing a second-order (χ(2) ) nonlinear crystal in which photon pairs are produced whenever a photon from a strong pump laser of frequency ωP fissions into a signal ph ...
Validity of Semiclassical Gravity in the Stochastic Gravity Approach
Validity of Semiclassical Gravity in the Stochastic Gravity Approach

Investigating Entanglemen
Investigating Entanglemen

An Introduction to the Mathematical Aspects of Quantum Mechanics:
An Introduction to the Mathematical Aspects of Quantum Mechanics:

... 4.4 Time-dependent Perturbation . . . . . . . . . . . . . . . . . . 79 ...
Some trends in the philosophy of physics - Philsci
Some trends in the philosophy of physics - Philsci

... Philosophy of physics is about the interpretation and critical examination of physical theories and concepts. The interpretation part is typically concerned with the question of what understanding of Nature is provided by our best physical theories, e.g. is space-time absolute or relational, is matt ...
Ergodic Semigroups of Positivity Preserving Self
Ergodic Semigroups of Positivity Preserving Self

Quantum Computing and Hidden Variables
Quantum Computing and Hidden Variables

... But what is the motivation for our results? The first motivation is that, within the community of physicists who study hidden-variable theories such as Bohmian mechanics, there is great interest in actually calculating the hiddenvariable trajectories for specific physical systems [13, 14]. Our resul ...
LHCC - uniud.it
LHCC - uniud.it

Quantum Tic-Tac-Toe: A Genuine Probabilistic Approach
Quantum Tic-Tac-Toe: A Genuine Probabilistic Approach

Discussion with Einstein on epistemological problems in atomic
Discussion with Einstein on epistemological problems in atomic

... recognition of how physical phenomena like the photo-effect may depend directly on individual quantum effects [1]. In these very same years when, developing his theory of relativity, Einstein laid a new foundation for physical science, he explored with a most daring spirit the novel features of atom ...
Topological Casimir effect in nanotubes and nanoloops
Topological Casimir effect in nanotubes and nanoloops

- Philsci
- Philsci

Resonant ionization of shallow donors in electric field Linköping University Post Print
Resonant ionization of shallow donors in electric field Linköping University Post Print

On Participatory Realism
On Participatory Realism

... reality! REALITY IS AN ILLUSION! (the headlines say).” This is because, if any of these cads were to take a moment to think about it, they would recognize that there is more to quantum mechanics than just three isolated terms (states, evolution, and measurement)—there’s the fullblown theory that glu ...
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Quantum field theory

In theoretical physics, quantum field theory (QFT) is a theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics. A QFT treats particles as excited states of an underlying physical field, so these are called field quanta.In quantum field theory, quantum mechanical interactions between particles are described by interaction terms between the corresponding underlying fields.
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