Paper - MaPhySto
... generating map of an instrument as the way for the description of an indirect measurement process and not on quantum stochastic calculus as a tool of consideration but on the methods of quantum theory and the Schr odinger equation. Our approach is valid for a broad class of quantum measurement mod ...
... generating map of an instrument as the way for the description of an indirect measurement process and not on quantum stochastic calculus as a tool of consideration but on the methods of quantum theory and the Schr odinger equation. Our approach is valid for a broad class of quantum measurement mod ...
Non-equilibrium Quantum Field Theory and - Gr@v
... This is an introductory mini-course, aimed at graduate students and researchers, on the description of non-equilibrium systems in Quantum Field Theory (QFT), with a particular focus on aspects that are relevant for applications in Cosmology. Knowledge of basic tools in quantum mechanics and QFT is a ...
... This is an introductory mini-course, aimed at graduate students and researchers, on the description of non-equilibrium systems in Quantum Field Theory (QFT), with a particular focus on aspects that are relevant for applications in Cosmology. Knowledge of basic tools in quantum mechanics and QFT is a ...
Ten Lectures on the ElectroWeak Interactions
... Hence Lmin is invariant under five independent phase transformations, or five U(1)’s. One combination of them is in fact the same hypercharge U(1) gauge group, but the other independent 4 phase transformations must correspond, by Noether’s theorem, to 4 globally conserved charges. What are these cha ...
... Hence Lmin is invariant under five independent phase transformations, or five U(1)’s. One combination of them is in fact the same hypercharge U(1) gauge group, but the other independent 4 phase transformations must correspond, by Noether’s theorem, to 4 globally conserved charges. What are these cha ...
From Physics to Biology by Extending Criticality and Symmetry
... A synthetic understanding of the notion of organism requires drawing strong correlations between different levels of organization as well as between the global structure and the local phenomena within the organism. These issues should govern any systemic view on biology. Here, we sketch an approach ...
... A synthetic understanding of the notion of organism requires drawing strong correlations between different levels of organization as well as between the global structure and the local phenomena within the organism. These issues should govern any systemic view on biology. Here, we sketch an approach ...
Superconducting Circuits and Quantum Computation
... Superconductive quantum circuits (SQCs) comprising mesoscopic Josephson junctions quantized flux and/or charge states are analogous to the quantized internal levels of an atom. This SQC-atom analogy can be extended to the quantum optical effects associated with atoms, such as electromagnetically ind ...
... Superconductive quantum circuits (SQCs) comprising mesoscopic Josephson junctions quantized flux and/or charge states are analogous to the quantized internal levels of an atom. This SQC-atom analogy can be extended to the quantum optical effects associated with atoms, such as electromagnetically ind ...
Closed timelike curves make quantum and classical computing equivalent
... clear and consistent. And at a purely mathematical level, Deutsch’s causal consistency account of CTCs is the clearest we have seen. Although CTCs need not lead to inconsistencies, Deutsch pointed out that they would have striking consequences for the theory of computing. As an example, CTCs could b ...
... clear and consistent. And at a purely mathematical level, Deutsch’s causal consistency account of CTCs is the clearest we have seen. Although CTCs need not lead to inconsistencies, Deutsch pointed out that they would have striking consequences for the theory of computing. As an example, CTCs could b ...
Contextualizing Concepts Using a Mathematical
... and Mervis, 1975). However, another study provided negative evidence for contrast categories (Verbeemenet al. in press). Nor does the theory theory or essence approach get us closer to solving the conjunction problem. As Hampton (1997) points out, it is not clear how a set of syntactic rules for com ...
... and Mervis, 1975). However, another study provided negative evidence for contrast categories (Verbeemenet al. in press). Nor does the theory theory or essence approach get us closer to solving the conjunction problem. As Hampton (1997) points out, it is not clear how a set of syntactic rules for com ...
Fundamental aspects of quantum Brownian motion
... of a damped harmonic quantum oscillator. The role of quantum fluctuations is discussed in the context of both, the nonlinear generalized quantum Langevin equation and the path integral approach. We discuss the consequences of the time-reversal symmetry for an open dissipative quantum dynamics and, f ...
... of a damped harmonic quantum oscillator. The role of quantum fluctuations is discussed in the context of both, the nonlinear generalized quantum Langevin equation and the path integral approach. We discuss the consequences of the time-reversal symmetry for an open dissipative quantum dynamics and, f ...
URL - StealthSkater
... This means that Subjective-Time evolution corresponds to the sequence of quantum jumps Ψi→ U Ψi → Ψf consisting of unitary process followed by state function process. Originally, U was thought to be the TGD counterpart of the unitary time evolution operator U(-t,t), t→ ∞ associated with the scatter ...
... This means that Subjective-Time evolution corresponds to the sequence of quantum jumps Ψi→ U Ψi → Ψf consisting of unitary process followed by state function process. Originally, U was thought to be the TGD counterpart of the unitary time evolution operator U(-t,t), t→ ∞ associated with the scatter ...
The Uncertainty Principle
... concept of the electron spin was included in the theoretical framework. It came as a big surprise, therefore, when one year later, Erwin Schrödinger presented an alternative theory, that became known as wave mechanics. Schrödinger assumed that an electron in an atom could be represented as an oscill ...
... concept of the electron spin was included in the theoretical framework. It came as a big surprise, therefore, when one year later, Erwin Schrödinger presented an alternative theory, that became known as wave mechanics. Schrödinger assumed that an electron in an atom could be represented as an oscill ...
Scattering of Dirac Fermions in Barrier Geometries on the Surface of
... adopt an effective action description in which we model the surface states of 3 dimensional topological insulators by 2-dimensional gapless Dirac fermions. We analyze the Klein tunneling of these fermions in barriers of geometries previously not analyzed in the literature. Trying to model the experi ...
... adopt an effective action description in which we model the surface states of 3 dimensional topological insulators by 2-dimensional gapless Dirac fermions. We analyze the Klein tunneling of these fermions in barriers of geometries previously not analyzed in the literature. Trying to model the experi ...
Thermal and Quantum Phase Transitions
... (and more than just an academic curiosity)? To understand this, we have to consider the generic “quantum critical” phase diagram as function of both the non-thermal control parameter and temperature, Fig. 1.1. For a continuous QPT, the zero-temperature axis is divided into two stable phases separate ...
... (and more than just an academic curiosity)? To understand this, we have to consider the generic “quantum critical” phase diagram as function of both the non-thermal control parameter and temperature, Fig. 1.1. For a continuous QPT, the zero-temperature axis is divided into two stable phases separate ...
Assessing the Nonequilibrium Thermodynamics in a
... We analyze in detail the full statistics of the work distribution in a quantum many-body system. We report explicit expressions for all the moments and cumulants of the work distribution in the case of a sudden quench of a Hamiltonian parameter. In particular, we analyze the case of a system subject ...
... We analyze in detail the full statistics of the work distribution in a quantum many-body system. We report explicit expressions for all the moments and cumulants of the work distribution in the case of a sudden quench of a Hamiltonian parameter. In particular, we analyze the case of a system subject ...
The Physics of Inflation
... underlying physics of this era. Over the next decade, the inflationary era – perhaps 10−30 seconds after the Big Bang – will thus join nucleosynthesis (3 minutes) and recombination (380,000 years) as observational windows into the primordial universe. However, while the workings of recombination and ...
... underlying physics of this era. Over the next decade, the inflationary era – perhaps 10−30 seconds after the Big Bang – will thus join nucleosynthesis (3 minutes) and recombination (380,000 years) as observational windows into the primordial universe. However, while the workings of recombination and ...
Decoherence and the Transition from Quantum to Classical
... consciousness. Needless to say, this is a very uncomfortable place to do physics. In spite of the profound nature of the difficulties, recent years have seen a growing consensus that progress is being made in dealing with the measurement problem, which is the usual euphemism for the collection of in ...
... consciousness. Needless to say, this is a very uncomfortable place to do physics. In spite of the profound nature of the difficulties, recent years have seen a growing consensus that progress is being made in dealing with the measurement problem, which is the usual euphemism for the collection of in ...