The Computational Complexity of Linear Optics
... causing any collapse of complexity classes or other disastrous theoretical consequences. Also, of course, there are subexponential-time factoring algorithms (such as the number field sieve), and few would express confidence that they cannot be further improved. And thus, ever since Bernstein and Vaz ...
... causing any collapse of complexity classes or other disastrous theoretical consequences. Also, of course, there are subexponential-time factoring algorithms (such as the number field sieve), and few would express confidence that they cannot be further improved. And thus, ever since Bernstein and Vaz ...
Phonon-Induced Spin Relaxation of Conduction Electrons in
... is modified by phonons [4]. Electrons scattering by the modified interaction can directly change their spin states. (B) Because of the spin-orbit interaction electronic Bloch states have both spin up and spin down amplitudes. The states can still be polarized by a magnetic field (so we can call them ...
... is modified by phonons [4]. Electrons scattering by the modified interaction can directly change their spin states. (B) Because of the spin-orbit interaction electronic Bloch states have both spin up and spin down amplitudes. The states can still be polarized by a magnetic field (so we can call them ...
NMR quantum computer
... It can execute small scale quantum algorithms. It serves as a test bed for a real QC to come. May ideas in other realizations are inspired from NMR. We use NMR QC to demonstrate theoretical ideas, such as decoherence suppression, optimal control of a Hamiltonian etc. ...
... It can execute small scale quantum algorithms. It serves as a test bed for a real QC to come. May ideas in other realizations are inspired from NMR. We use NMR QC to demonstrate theoretical ideas, such as decoherence suppression, optimal control of a Hamiltonian etc. ...
Multi-particle qubits - Department of Physics — ETH Zurich
... One can divide the non-linear computational mappings into three main categories: Projection on a two-level system (see Section 3.1.1), partial projection (see Section 3.1.2), and no projection at all (see Section 3.1.3). Projection on a two-level system is the most commonly used qubit encoding schem ...
... One can divide the non-linear computational mappings into three main categories: Projection on a two-level system (see Section 3.1.1), partial projection (see Section 3.1.2), and no projection at all (see Section 3.1.3). Projection on a two-level system is the most commonly used qubit encoding schem ...
defense - Purdue University
... D- Modeling for As/P Donor Objective: • Obtain 2e binding energy of donors with Efields and donor depths: important in spindependent tunneling and measurement. • D- ground and excited states : Analyze measured Coulomb diamonds from Transport Spectroscopy measurements. Approach: • 1st approximation: ...
... D- Modeling for As/P Donor Objective: • Obtain 2e binding energy of donors with Efields and donor depths: important in spindependent tunneling and measurement. • D- ground and excited states : Analyze measured Coulomb diamonds from Transport Spectroscopy measurements. Approach: • 1st approximation: ...
Categorical Models for Quantum Computing
... state that the system is in after the measurement. If we apply the same measurement twice, the second time the system behaves classically in the sense that we obtain information about the state, but it is not altered. This is due to self adjointness of the measurement. Measurements are generally not ...
... state that the system is in after the measurement. If we apply the same measurement twice, the second time the system behaves classically in the sense that we obtain information about the state, but it is not altered. This is due to self adjointness of the measurement. Measurements are generally not ...
Carotene in Different Solvents.
... cessfully treated including all water molecules up to the third solvation shell. This required supermolecular quantum-mechanical calculations of the pyrimidine and 213 water molecules, an explicit 1734 all-valence electrons, properly anti-symmetrized. With this procedure specic interactions such a ...
... cessfully treated including all water molecules up to the third solvation shell. This required supermolecular quantum-mechanical calculations of the pyrimidine and 213 water molecules, an explicit 1734 all-valence electrons, properly anti-symmetrized. With this procedure specic interactions such a ...
Spin-based quantum computers made by chemistry: hows and whys†
... (in the form of molecules or ions) then quantum mechanics guarantees they will all be identical, provided we can eliminate impurities, defects, etc. This of course takes us into the realm of chemistry. In writing this review we have assumed a reader who may not be too familiar with this subject, but ...
... (in the form of molecules or ions) then quantum mechanics guarantees they will all be identical, provided we can eliminate impurities, defects, etc. This of course takes us into the realm of chemistry. In writing this review we have assumed a reader who may not be too familiar with this subject, but ...
Disorder-induced order with ultra-cold atoms
... and ultra-cold atoms. Our numerical and analytical studies show that disorderinduced order allows to induce spontaneous magnetization in systems that would not normally magnetize spontaneously, and to control the relative phase of certain coupled quantum systems. Also, we conclude that disorder-indu ...
... and ultra-cold atoms. Our numerical and analytical studies show that disorderinduced order allows to induce spontaneous magnetization in systems that would not normally magnetize spontaneously, and to control the relative phase of certain coupled quantum systems. Also, we conclude that disorder-indu ...
Spectroscopic Selection Rules: The Role of Photon States
... model is accessible to any student who has encountered angular momentum coupling in an elementary quantum mechanics course. In the undergraduate spectroscopy lecture course that I deliver, the material contained in this paper is easily covered in a single one-hour lecture. The focus in this article ...
... model is accessible to any student who has encountered angular momentum coupling in an elementary quantum mechanics course. In the undergraduate spectroscopy lecture course that I deliver, the material contained in this paper is easily covered in a single one-hour lecture. The focus in this article ...
INTRO TO NON-EQUILIBRIUM 2PI EFFECTIVE ACTION
... straightforward discretization, no further approximation expensive numerically due to “memory kernel” ...
... straightforward discretization, no further approximation expensive numerically due to “memory kernel” ...
Spin Foam Models of Quantum Spacetime
... We show a derivation of the model from a lattice gauge theory perspective, in the general case of manifold with boundaries, discussing the issue of boundary terms in the model, showing how all the different amplitudes for the elements of the triangulations arise, and presenting also a few possible v ...
... We show a derivation of the model from a lattice gauge theory perspective, in the general case of manifold with boundaries, discussing the issue of boundary terms in the model, showing how all the different amplitudes for the elements of the triangulations arise, and presenting also a few possible v ...
III. Contact-ing Schrödinger
... works in the 1960’s that used the methods of manybody perturbation theory to describe the distributed entropy-driven processes along the channel. Like most of the work on transport theory (semiclassical or quantum) prior to the 1990’s, it was a “contact-less” approach focused on the interactions occ ...
... works in the 1960’s that used the methods of manybody perturbation theory to describe the distributed entropy-driven processes along the channel. Like most of the work on transport theory (semiclassical or quantum) prior to the 1990’s, it was a “contact-less” approach focused on the interactions occ ...
Using JCP format
... can also be used for floppy molecules in an energy range broad enough so that more than one equilibrium position have to be taken into account. A detailed calculation scheme was provided, which was shown to work for simple models. The first purpose of the present paper is to extend that study and to ...
... can also be used for floppy molecules in an energy range broad enough so that more than one equilibrium position have to be taken into account. A detailed calculation scheme was provided, which was shown to work for simple models. The first purpose of the present paper is to extend that study and to ...
PHYSICS 673 Nonlinear and Quantum Optics
... detuning as ∝ 1/∆, whereas the imaginary part as ∝ 1/∆2 (check this!). Therefore, the off-resonant refraction can be significant while absorption negligible. This explains, for example, why glass, whose optical resonances are in the ultraviolet region, is transparent, yet exhibits high refraction. Pro ...
... detuning as ∝ 1/∆, whereas the imaginary part as ∝ 1/∆2 (check this!). Therefore, the off-resonant refraction can be significant while absorption negligible. This explains, for example, why glass, whose optical resonances are in the ultraviolet region, is transparent, yet exhibits high refraction. Pro ...
