Department of Physics, Chemistry and Biology Master’s Thesis
... be ignored. However, those neglected interactions may lead to additional features. If any other interaction terms, e.g. long-range interactions, between bosons on different sites of the lattice are included, then a different Bose-Hubbard model is obtained. The model is called the extended Bose-Hubba ...
... be ignored. However, those neglected interactions may lead to additional features. If any other interaction terms, e.g. long-range interactions, between bosons on different sites of the lattice are included, then a different Bose-Hubbard model is obtained. The model is called the extended Bose-Hubba ...
Ground-state cooling of a trapped ion using long
... system that is resilient to noise in the magnetic field [28–30]. Preparation and detection of the dressed-state system is achieved using the method described in Ref. [30]. For preparation, a microwave π pulse transfers the population to j00 i after the ion has been optically pumped into the j0i stat ...
... system that is resilient to noise in the magnetic field [28–30]. Preparation and detection of the dressed-state system is achieved using the method described in Ref. [30]. For preparation, a microwave π pulse transfers the population to j00 i after the ion has been optically pumped into the j0i stat ...
Extended criticality, phase spaces and enablement in biology
... In Quantum Field Theory (QFT) it is even more challenging: particles and anti-particles may be created spontaneously. And so one uses infinite dimensional Hilbert’s spaces and Fock spaces to accommodate them. Of course, quanta are all identical in their different classes: a new electron is an electr ...
... In Quantum Field Theory (QFT) it is even more challenging: particles and anti-particles may be created spontaneously. And so one uses infinite dimensional Hilbert’s spaces and Fock spaces to accommodate them. Of course, quanta are all identical in their different classes: a new electron is an electr ...
Why dynamics?
... accuracy in d=3: much better than standard mean-field or strong coupling expansion in d=2 and 3. ...
... accuracy in d=3: much better than standard mean-field or strong coupling expansion in d=2 and 3. ...
Quantum Critical Systems from ADS/CFT
... systems in terms of classical gravity [4, 5, 6]. This duality maps some strongly interacting systems, which are difficult to study by conventional methods, to a classical gravity system, which is well-established as Einstein’s general theory of relativity. The gravity has one more dimension; this ex ...
... systems in terms of classical gravity [4, 5, 6]. This duality maps some strongly interacting systems, which are difficult to study by conventional methods, to a classical gravity system, which is well-established as Einstein’s general theory of relativity. The gravity has one more dimension; this ex ...
An asymptotic preserving scheme for the Schrödinger equation in
... from [6,7,1]. The initial density is given by n0 = e−50(x−0.5) and the initial current is given by q 0 = 0.2(2x − 1)n0 . Figure 1 shows the results for the scheme in eulerian coordinates (2)–(4). We plot the density, current and bohm potential at t = 0.54 for different ε. As ε tends to zero, the den ...
... from [6,7,1]. The initial density is given by n0 = e−50(x−0.5) and the initial current is given by q 0 = 0.2(2x − 1)n0 . Figure 1 shows the results for the scheme in eulerian coordinates (2)–(4). We plot the density, current and bohm potential at t = 0.54 for different ε. As ε tends to zero, the den ...
The Ghost in the Quantum Turing Machine
... Turing’s postcard for the opening text of this essay, I also could have chosen a striking claim by Niels Bohr, from a 1932 lecture about the implications of Heisenberg’s uncertainty principle: [W]e should doubtless kill an animal if we tried to carry the investigation of its organs so far that we co ...
... Turing’s postcard for the opening text of this essay, I also could have chosen a striking claim by Niels Bohr, from a 1932 lecture about the implications of Heisenberg’s uncertainty principle: [W]e should doubtless kill an animal if we tried to carry the investigation of its organs so far that we co ...
Wormhole Physics - In Classical and Quantum Theories of Gravity
... serious threat to quantum feild theory and/or general relativity. [1]. ...
... serious threat to quantum feild theory and/or general relativity. [1]. ...
Advanced Quantum Mechanics - Department of Physics and
... is hermitean and the basic commutation relation is satisfied. We want to stress at this point the nonobservability of the wave function. It are the operators and their eigenvalues as outcome of measurements that are relevant. As far as the Hilbert space is concerned, one can work with any appropriat ...
... is hermitean and the basic commutation relation is satisfied. We want to stress at this point the nonobservability of the wave function. It are the operators and their eigenvalues as outcome of measurements that are relevant. As far as the Hilbert space is concerned, one can work with any appropriat ...
Syllabus
... Clark Maxwell (a Scottish physicist) developed a theory of light that was not based on the Newtonian theory. The Newtonian theory was based on forces, while Maxwell’s theory was based on a concept of fields. Maxwell’s work on light could be thought of as a pillar of science in of itself. What follow ...
... Clark Maxwell (a Scottish physicist) developed a theory of light that was not based on the Newtonian theory. The Newtonian theory was based on forces, while Maxwell’s theory was based on a concept of fields. Maxwell’s work on light could be thought of as a pillar of science in of itself. What follow ...
Nonlinear response of a driven vibrating nanobeam in the quantum...
... sources, dislocations, and other material-dependent properties. An important internal mechanism is the interaction with localized crystal defects. Controlling this variety of damping sources is one of the major tasks to be solved to reveal quantum mechanical features. Recent measurement show that in ...
... sources, dislocations, and other material-dependent properties. An important internal mechanism is the interaction with localized crystal defects. Controlling this variety of damping sources is one of the major tasks to be solved to reveal quantum mechanical features. Recent measurement show that in ...
Quantum fluctuation relations: Foundations and applications
... described by a canonical distribution of the form of Eq. (2). It hence is of statistical nature. Its use and properties are discussed in many textbooks on statistical mechanics. The other ingredient, concerning the dynamics of the system, is the principle of microreversibility. This point needs some ...
... described by a canonical distribution of the form of Eq. (2). It hence is of statistical nature. Its use and properties are discussed in many textbooks on statistical mechanics. The other ingredient, concerning the dynamics of the system, is the principle of microreversibility. This point needs some ...
Topological Charges, Prequarks and Presymmetry: a
... start with integer bare local charges for quarks and an exact electroweak symmetry between bare quarks and leptons, and end with fractional charges and a broken or hidden symmetry. I refer to quarks with such bare charges as prequarks and denote them by hats over the symbols that represent the corre ...
... start with integer bare local charges for quarks and an exact electroweak symmetry between bare quarks and leptons, and end with fractional charges and a broken or hidden symmetry. I refer to quarks with such bare charges as prequarks and denote them by hats over the symbols that represent the corre ...
Superfluid Helium 3: Link between Condensed Matter Physics and
... temperatures, above a critical pressure of about 21 bar. Hence its region of stability in the pressure-temperature phase diagram has a roughly triangular shape as shown in Fig. 1a. The B phase, on the other hand, occupies the largest part of this phase diagram and is found to be stable down to the l ...
... temperatures, above a critical pressure of about 21 bar. Hence its region of stability in the pressure-temperature phase diagram has a roughly triangular shape as shown in Fig. 1a. The B phase, on the other hand, occupies the largest part of this phase diagram and is found to be stable down to the l ...
D047042023
... computations can be reverted (i.e. the inputs can be obtained from the outputs and vice versa) by using reversible logic. This reversibility plays significant role for emerging technologies that may replace or at least enhance the traditional computer chip efficiency. Power dissipation and heat gene ...
... computations can be reverted (i.e. the inputs can be obtained from the outputs and vice versa) by using reversible logic. This reversibility plays significant role for emerging technologies that may replace or at least enhance the traditional computer chip efficiency. Power dissipation and heat gene ...
pdf
... Based on the ion trap technology with microwave signaling mechanism, we propose to build a scalable system with multiple independent operation regions, each offering gate-level parallelism. Fig. 3 shows the block diagram for our proposed architecture. Within each SIMD region, a large amount of data- ...
... Based on the ion trap technology with microwave signaling mechanism, we propose to build a scalable system with multiple independent operation regions, each offering gate-level parallelism. Fig. 3 shows the block diagram for our proposed architecture. Within each SIMD region, a large amount of data- ...