Marblestone, Devoret..
... receiver, and that the senders communicate only with the receiver through a limited number of linear one-bit channels. In the entanglement-assisted version, where local rotations on entangled qubits are performed and where the results of local measurements on these qubits can be sent through the lin ...
... receiver, and that the senders communicate only with the receiver through a limited number of linear one-bit channels. In the entanglement-assisted version, where local rotations on entangled qubits are performed and where the results of local measurements on these qubits can be sent through the lin ...
The Bit and the Pendulum (From Quantum Computing to M Theory)
... what the hell he's talking about," was the reply. But when I asked a leading authority on information physics, Rolf Landauer of IBM, I got a more thoughtful answer. "I sympathize in a general way with this notion that handling information is linked to the laws of physics," Landauer told me. "I'm not ...
... what the hell he's talking about," was the reply. But when I asked a leading authority on information physics, Rolf Landauer of IBM, I got a more thoughtful answer. "I sympathize in a general way with this notion that handling information is linked to the laws of physics," Landauer told me. "I'm not ...
Relativity and Quantum Theory in Virginia Woolf`s
... down, to and fro—is that universal pattern of systole and diastole which finds its rhythmic analogies in so many aspects of our emotional, biological, and physical life.”30 These undulating rhythms give rise to a sense of life and consciousness as impersonal, turning the reader’s attention away from ...
... down, to and fro—is that universal pattern of systole and diastole which finds its rhythmic analogies in so many aspects of our emotional, biological, and physical life.”30 These undulating rhythms give rise to a sense of life and consciousness as impersonal, turning the reader’s attention away from ...
dagrep_v005_i004_p123_s15181. - DROPS
... In the probabilistic programming approach to Bayesian inference, the user simply writes the prior and sampling distributions as probabilistic programs, and relies on a compiler to generate code to perform inference and make predictions. Such compilers often operate by considering the program as defi ...
... In the probabilistic programming approach to Bayesian inference, the user simply writes the prior and sampling distributions as probabilistic programs, and relies on a compiler to generate code to perform inference and make predictions. Such compilers often operate by considering the program as defi ...
Defining and detecting quantum speedup
... consensus may be time- and community-dependent [14]. In the absence of a consensus about what is the best classical algorithm, we define potential (quantum) speedup as a speedup compared to a specific classical algorithm or a set of classical algorithms. An example is the simulation of the time evol ...
... consensus may be time- and community-dependent [14]. In the absence of a consensus about what is the best classical algorithm, we define potential (quantum) speedup as a speedup compared to a specific classical algorithm or a set of classical algorithms. An example is the simulation of the time evol ...
Quantum Physics of Nature QuPoN 2015 Book of Abstracts
... New Frontiers in Quantum Optomechanics: from levitation to gravitational quantum physics Mechanical systems coupled to optical cavities have originally been studied from the early 1970s on in the context of gravitational wave antennas. The last few years have seen a completely new generation of nano ...
... New Frontiers in Quantum Optomechanics: from levitation to gravitational quantum physics Mechanical systems coupled to optical cavities have originally been studied from the early 1970s on in the context of gravitational wave antennas. The last few years have seen a completely new generation of nano ...
Topological quantum computation
... in one dimension, the particles need to pass through one another. If the wave function changes sign when two identical particles are exchanged, we could say that the particles are noninteracting fermions, but we could just as well say that the particles are interacting bosons, such that the sign cha ...
... in one dimension, the particles need to pass through one another. If the wave function changes sign when two identical particles are exchanged, we could say that the particles are noninteracting fermions, but we could just as well say that the particles are interacting bosons, such that the sign cha ...
Nonequilibrium entropy production in open and closed quantum
... quantum system to its thermal surroundings. Therefore, we start with an introductory chapter 2, in which we summarize the main developments in recent statistical physics for classical systems arbitrarily far from equilibrium. In particular, we will briefly summarize the notion of fluctuation theorem ...
... quantum system to its thermal surroundings. Therefore, we start with an introductory chapter 2, in which we summarize the main developments in recent statistical physics for classical systems arbitrarily far from equilibrium. In particular, we will briefly summarize the notion of fluctuation theorem ...
Elementary Particle Physics
... Forming hadrons When combining two particles to form a composite particle we need to know what combinations could occur in nature given the various conservation laws. Out of everything which can exist our theory should predict only those do exist!! How do the various properties add up ? (1) Angular ...
... Forming hadrons When combining two particles to form a composite particle we need to know what combinations could occur in nature given the various conservation laws. Out of everything which can exist our theory should predict only those do exist!! How do the various properties add up ? (1) Angular ...
Quantum Error Correction (QEC) - ETH E
... limitations concerning the speed of light and the size of atoms. That’s why new technologies for future computers are wanted. During his studies of quantum mechanics, Feynman discovered that a quantum system of n spin-1/2 particles is represented in a 2ndimensional space due to entanglement and not ...
... limitations concerning the speed of light and the size of atoms. That’s why new technologies for future computers are wanted. During his studies of quantum mechanics, Feynman discovered that a quantum system of n spin-1/2 particles is represented in a 2ndimensional space due to entanglement and not ...
Quantum Computation, Quantum Theory and AI
... quantum measurements are allowed. For example, a quantum automaton introduced in [70] may be observed only after all input symbols have been read, whereas a quantum automaton in [64] is allowed to be observed after reading each symbol. The most general model of quantum finite automata was proposed i ...
... quantum measurements are allowed. For example, a quantum automaton introduced in [70] may be observed only after all input symbols have been read, whereas a quantum automaton in [64] is allowed to be observed after reading each symbol. The most general model of quantum finite automata was proposed i ...
Introduction to Quantum Information
... If we encoded each of the k distinct symbols as a distinct binary number, i.e., as a distinct string of 0’s and 1’s, we would need strings composed of log k bits to represent each symbol (2log k = k). Shannon’s analysis shows that messages produced by a stochastic source can be compressed, in the se ...
... If we encoded each of the k distinct symbols as a distinct binary number, i.e., as a distinct string of 0’s and 1’s, we would need strings composed of log k bits to represent each symbol (2log k = k). Shannon’s analysis shows that messages produced by a stochastic source can be compressed, in the se ...
LETTERS Generation of Fock states in a superconducting quantum circuit
... the one obtained from the splitting in Fig. 1. Both deviations can be explained by our having used an ‘on’ operating point slightly detuned from the minimal splitting in Fig. 1b, yielding slightly higher oscillation frequencies. The oscillation frequencies for higher photon number states, however, a ...
... the one obtained from the splitting in Fig. 1. Both deviations can be explained by our having used an ‘on’ operating point slightly detuned from the minimal splitting in Fig. 1b, yielding slightly higher oscillation frequencies. The oscillation frequencies for higher photon number states, however, a ...
Singularity of the time-energy uncertainty in adiabatic perturbation
... and adiabatic quantum computation10, an alternative to the quantum circuit model for quantum computing. The adiabatic theorem dictates that as long as a system changes slowly enough, a quantum system starting from an eigenstate would remain in the instantaneous eigenstate of the time-dependent Hamil ...
... and adiabatic quantum computation10, an alternative to the quantum circuit model for quantum computing. The adiabatic theorem dictates that as long as a system changes slowly enough, a quantum system starting from an eigenstate would remain in the instantaneous eigenstate of the time-dependent Hamil ...
Ultracold Atoms in Artificial Gauge Fields by Tobias Graß PhD Thesis
... In the first part we focus on fractional quantum Hall effects, asking whether interesting topological states can be realized with cold atoms. We start by making a close connection to solid-state systems and first consider fermionic atoms with dipolar interactions. Assuming the system to be in the La ...
... In the first part we focus on fractional quantum Hall effects, asking whether interesting topological states can be realized with cold atoms. We start by making a close connection to solid-state systems and first consider fermionic atoms with dipolar interactions. Assuming the system to be in the La ...
IMPRECISE MEASUREMENTS IN QUANTUM MECHANICS
... Quantum theory has shown that measurements need also theoretical examination. Soon after the birth of quantum theory the deep nature of the theoretical issues related to measurements were generally recognized. It became clear that the concept of measurement is not at all innocuous, and an extensive ...
... Quantum theory has shown that measurements need also theoretical examination. Soon after the birth of quantum theory the deep nature of the theoretical issues related to measurements were generally recognized. It became clear that the concept of measurement is not at all innocuous, and an extensive ...
Silicon quantum electronics
... efficiency for certain problems that take a very long time to solve on a conventional computer, such as searching large databases and breaking encryption codes. Besides this, a quantum computer will be able to perform quantum simulations that are impossible to do on classical computers [8]. Quantum ...
... efficiency for certain problems that take a very long time to solve on a conventional computer, such as searching large databases and breaking encryption codes. Besides this, a quantum computer will be able to perform quantum simulations that are impossible to do on classical computers [8]. Quantum ...
11th International Conference on Squeezed - icssur 2009
... Wineland’s squeezing parameter as a compatible parameter with time evolution of Q function (S. V. Kashanian) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Atomic parity nonconservation in heavy atoms and observing P and PT violation using NMR shift in a l ...
... Wineland’s squeezing parameter as a compatible parameter with time evolution of Q function (S. V. Kashanian) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Atomic parity nonconservation in heavy atoms and observing P and PT violation using NMR shift in a l ...
Dynamics of Open Quantum Systems
... The use of the generally nonlinear QLE (2) is limited in practice for several reasons. More importantly, the application of the QLE bears some subtleties and pitfalls which must be observed when making approximations. These same subtleties typically also emerge with other approaches/methods to quant ...
... The use of the generally nonlinear QLE (2) is limited in practice for several reasons. More importantly, the application of the QLE bears some subtleties and pitfalls which must be observed when making approximations. These same subtleties typically also emerge with other approaches/methods to quant ...
Superposition, Entanglement, and Raising Schrödinger’s Cat Nobel Lecture, December 8, 2012
... In NIST single-ion experiments we chose to focus on Hg+ because for frequency-standard applications, 199Hg+ has a relatively high ground-state hyperfine clock transition frequency of 40.5 GHz (Cutler et al. 1982; Major and Werth 1973; Prestage et al. 1991) and also a narrow 2S1/2 – 2D5/2 optical tra ...
... In NIST single-ion experiments we chose to focus on Hg+ because for frequency-standard applications, 199Hg+ has a relatively high ground-state hyperfine clock transition frequency of 40.5 GHz (Cutler et al. 1982; Major and Werth 1973; Prestage et al. 1991) and also a narrow 2S1/2 – 2D5/2 optical tra ...