
Quantum Relaxation after a Quench in Systems with Boundaries Ferenc Iglo´i *
... states was conjectured [13], however, the numerical results on specific systems are controversial [13–15]. On the other hand, integrable systems are sensitive to the initial states and their stationary states are thermal-like, being in a form of a generalized Gibbs ensemble [8]. Thermalization inclu ...
... states was conjectured [13], however, the numerical results on specific systems are controversial [13–15]. On the other hand, integrable systems are sensitive to the initial states and their stationary states are thermal-like, being in a form of a generalized Gibbs ensemble [8]. Thermalization inclu ...
An Effective Quantum Potential for Particle
... to Ferry [6] and the density gradient method [7, 8]. In both there are a number of parameters that do not represent exact physical values, like the size of the electron wave-packet in the effective potential approach and the mass of the carriers in the density gradient methods. An alternative is the ...
... to Ferry [6] and the density gradient method [7, 8]. In both there are a number of parameters that do not represent exact physical values, like the size of the electron wave-packet in the effective potential approach and the mass of the carriers in the density gradient methods. An alternative is the ...
Countermeasure against tailored bright illumination attack for DPS
... between two remote parties, that is, the probability that an eavesdropper, who has unbounded ability, gets complete information on the key can be set as small as desired [1]. To realize this, several QKD protocols have been proposed such as BB84[2] and E91[3]. One should, however, note that the secu ...
... between two remote parties, that is, the probability that an eavesdropper, who has unbounded ability, gets complete information on the key can be set as small as desired [1]. To realize this, several QKD protocols have been proposed such as BB84[2] and E91[3]. One should, however, note that the secu ...
Interaction- and measurement-free quantum Zeno gates for universal computation
... will immediately reveal the state information and collapse the system into either 兩1典 or 兩0典. For a decay rate ⌫, a single effective measurement duration is 4⌫−1. The effective number of measurements M eff during an interval t is therefore t / 4⌫−1 = ⌫t / 4. Equations 共5兲 and 共1兲 are in this sense e ...
... will immediately reveal the state information and collapse the system into either 兩1典 or 兩0典. For a decay rate ⌫, a single effective measurement duration is 4⌫−1. The effective number of measurements M eff during an interval t is therefore t / 4⌫−1 = ⌫t / 4. Equations 共5兲 and 共1兲 are in this sense e ...
Department of Physics, Chemistry and Biology Master’s Thesis Cavities
... potentials are assumed to be real. By not making this assumption, we find that an imaginary part can be used to model creation and annihilation of particles or waves. Even better, we can create waves in one region, and annihilate them in another, creating a flow between the regions! ...
... potentials are assumed to be real. By not making this assumption, we find that an imaginary part can be used to model creation and annihilation of particles or waves. Even better, we can create waves in one region, and annihilate them in another, creating a flow between the regions! ...
International Journal of Mathematics, Game Theory and Algebra
... also holds for some reasonable sets of weights and thresholds. (see[17]). Some authors showed that a single hidden layer perceptron with some restricted set of weights can also have the u. a. p. (universal approximation property). For example, White and Stinchcombe [20] proved that a single layer ne ...
... also holds for some reasonable sets of weights and thresholds. (see[17]). Some authors showed that a single hidden layer perceptron with some restricted set of weights can also have the u. a. p. (universal approximation property). For example, White and Stinchcombe [20] proved that a single layer ne ...
A Functional Architecture for Scalable Quantum Computing
... a single broadband amplifier. Figure 1 illustrates an example setup of a quantum computing system. II. ...
... a single broadband amplifier. Figure 1 illustrates an example setup of a quantum computing system. II. ...
WHAT PHYSICAL QUANTITIES MAKE SENSE IN
... 1.3 Nonequilibrium statistical mechanics close to equilibrium. While Boltzmann is one of the fathers of equilibrium statistical mechanics, he is the father of nonequilibrium statistical mechanics. He has basically explained why entropy increases in nonequilibrium (see [14]). Here is the idea: Hamilt ...
... 1.3 Nonequilibrium statistical mechanics close to equilibrium. While Boltzmann is one of the fathers of equilibrium statistical mechanics, he is the father of nonequilibrium statistical mechanics. He has basically explained why entropy increases in nonequilibrium (see [14]). Here is the idea: Hamilt ...
Experimental one-way quantum computing
... to the one-dimensional cluster jFlin4 l (Fig. 1b), it now results in a different quantum circuit corresponding to a set of single-qubit rotations on one encoded qubit. Consecutive measurements B 1(a), B 2(b) and B 3(g) on the physical qubits 1, 2 and 3 transform the input state, in our case jWin l ¼ ...
... to the one-dimensional cluster jFlin4 l (Fig. 1b), it now results in a different quantum circuit corresponding to a set of single-qubit rotations on one encoded qubit. Consecutive measurements B 1(a), B 2(b) and B 3(g) on the physical qubits 1, 2 and 3 transform the input state, in our case jWin l ¼ ...
Fault-Tolerant Quantum Computation and the Threshold Theorem
... can be made, but it is important to know what current methods can and cannot deal with. Of course it is a matter of physics and of engineering to determine which assumptions actually matter. Noise Model A particular model (or models) of noise is assumed for all proofs and heuristic methods for the t ...
... can be made, but it is important to know what current methods can and cannot deal with. Of course it is a matter of physics and of engineering to determine which assumptions actually matter. Noise Model A particular model (or models) of noise is assumed for all proofs and heuristic methods for the t ...
Classification of Topologically ordered Phases
... We try to promote the QSRG as a useful numerical tool in finding and classifying the SPT phase via MPS/TPS. A key observation is that preserving symmetry in the QSRG allows us to study fix points of symmetry protected topological phases We have consider the 1- and 2-dimensional AKLT phases as the ex ...
... We try to promote the QSRG as a useful numerical tool in finding and classifying the SPT phase via MPS/TPS. A key observation is that preserving symmetry in the QSRG allows us to study fix points of symmetry protected topological phases We have consider the 1- and 2-dimensional AKLT phases as the ex ...
1 - Hal-SHS
... come to the same physical state). Frequency in time is a physical quantity that can be empirically determined, with a mean value and fluctuations around the mean value8. Such fluctuations were not considered with pure combinatoric calculations although they effectively characterize the distributions ...
... come to the same physical state). Frequency in time is a physical quantity that can be empirically determined, with a mean value and fluctuations around the mean value8. Such fluctuations were not considered with pure combinatoric calculations although they effectively characterize the distributions ...
QUANTUM MONTE CARLO SIMULATION OF TUNNELLING DEVICES USING WAVEPACKETS AND BOHM TRAJECTORIES
... First of all, I want to express my most sincere gratitude to Jordi Suñé, my thesis advisor, for lots of things he has done for me during these years at the University. But specially, for making me enjoy our research together and for providing me with the essential techniques to start 'painting' my t ...
... First of all, I want to express my most sincere gratitude to Jordi Suñé, my thesis advisor, for lots of things he has done for me during these years at the University. But specially, for making me enjoy our research together and for providing me with the essential techniques to start 'painting' my t ...