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Secure quantum sealed
Secure quantum sealed

Secure Multi-party Quantum Computation
Secure Multi-party Quantum Computation

... some known probability p of suffering a random error, i.e. of becoming completely scrambled. Moreover, errors are assumed to occur independently of each other and of the data in the computation. One can view multi-party computation as fault-tolerant computing with a different error model, one that i ...
faraday`s field
faraday`s field

... context that they were, eventually, used. The electrostatic lines of force, as Faraday had found, were always polar due to the polarization of ‘contiguous particles’ by which the electrostatic forces were transmitted; they always had ‘ends,’ or poles. Conversely, Faraday had found it impossible to s ...
104,18415 (2007)
104,18415 (2007)

... cannot mix by a weak local external perturbation in the sense that the errors induced by local perturbations are exponentially suppressed ⬃exp(⫺L/␰), where L is the linear size of the system and ␰ is a characteristic length inversely proportional to the excitation gap (3, 4). In the ground state sec ...
User Manual - Redbrick
User Manual - Redbrick

... application can be run on the server, and the graphical output is redirected to the java application. This is very useful when one wants to run graphical programs from a machine that has no graphical output, ie., one can only log into it using a console. The following is an example of how to use the ...
Possible large-N fixed-points and naturalness for O(N) scalar fields
Possible large-N fixed-points and naturalness for O(N) scalar fields

... Department of Mathematical Sciences & Centre for Particle Theory, Durham University, ...
Nuclear Spins in Quantum Dots
Nuclear Spins in Quantum Dots

... where p and S are operators for momentum and spin, respectively. For any time reversal symmetric (no applied magnetic field) single particle Hamiltonian H sp , Kramers theorem tells that all eigenstates of the total Hamiltonian H = H sp + HSO are doubly degenerate [16, 17]. Non-zero transition ampli ...
Interplay of driving, nonlinearity and dissipation in nanoscale and ultracold atom systems
Interplay of driving, nonlinearity and dissipation in nanoscale and ultracold atom systems

... are frozen due to a gap larger than the chemical potential in the corresponding excitation spectrum. In some systems, e.g. quantum dots, SQUIDs, flux and charge qubits, only a discrete number of degrees of freedom determine the observables of interest. One refers to such systems as zero-dimensional ...
Flavor Physics Theory - DESY
Flavor Physics Theory - DESY

Stable bounce and inflation in non-local higher derivative
Stable bounce and inflation in non-local higher derivative

... only be determined if one knows the function around a finite region surrounding the space-time point in question. This property also manifests in the way one is often able to replace the infinite differential equation of motion with an integral equation [11]. The theories however are only mildly non ...
- D-Wave Systems
- D-Wave Systems

Observation of a resonant four-body interaction in cold cesium
Observation of a resonant four-body interaction in cold cesium

... coupled by dipole-dipole interactions, calculated between the in-field eigenstates of the Rydberg atoms [33]. The final populations, shown in Fig. 3 as the blue dashed curves, are calculated using the density matrix and the experimental peak density and field inhomogeneity. We average the results as ...
RADIATION REACTION AND SELF-FORCE IN CURVED SPACETIME IN A FIELD THEORY APPROACH
RADIATION REACTION AND SELF-FORCE IN CURVED SPACETIME IN A FIELD THEORY APPROACH

Mechanical Proof of the Second Law of Thermodynamics Based on
Mechanical Proof of the Second Law of Thermodynamics Based on

III. Contact-ing Schrödinger
III. Contact-ing Schrödinger

spin - Groups - Texas A&M University
spin - Groups - Texas A&M University

19. The electromagnetic constitutive relations
19. The electromagnetic constitutive relations

3. Influence of the nonlinear gain on the stability limit
3. Influence of the nonlinear gain on the stability limit

3. Traditional Models of Computation - UF CISE
3. Traditional Models of Computation - UF CISE

... In this article, we survey a variety of aspects of theoretical models of computation, with an emphasis on those modeling issues that are particularly important for the engineering of efficient nano-scale computers. Most traditional models of computing (such as those treated in Savage’s textbook [1]) ...
memory effects in the dynamics of open quantum systems
memory effects in the dynamics of open quantum systems

EQUILIBRIUM STATE OF A SELF
EQUILIBRIUM STATE OF A SELF

quantum transport phenomena of two
quantum transport phenomena of two

... the famous Moore’s law. At the beginning of microelectronics, transistors, diodes and digital integrated circuits which were typically made from semiconductor materials, emerged. Later on, nanoelectronics, nanotechnology and related disciplines have also appeared. The current study focuses on semico ...
Kondo Model for the ‘‘0.7 Anomaly’’ in Transport through a... * Kenji Hirose, Yigal Meir, and Ned S. Wingreen
Kondo Model for the ‘‘0.7 Anomaly’’ in Transport through a... * Kenji Hirose, Yigal Meir, and Ned S. Wingreen

... presence of bound spins in QPCs near pinchoff has potentially profound effects on transport through quantum dots with QPCs as leads. In particular, the leads may act as magnetic impurities, and cause the apparent saturation of the dephasing time in transport through open semiconductor quantum dots a ...
Quantum Coherence in Biological Systems
Quantum Coherence in Biological Systems

1 We end the course with this chapter describing electrodynamics in
1 We end the course with this chapter describing electrodynamics in

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History of quantum field theory

In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1950s, and led to the introduction of quantum electrodynamics (QED). QED was so successful and ""natural"" that efforts were made to use the same basic concepts for the other forces of nature. These efforts were successful in the application of gauge theory to the strong nuclear force and weak nuclear force, producing the modern standard model of particle physics. Efforts to describe gravity using the same techniques have, to date, failed. The study of quantum field theory is alive and flourishing, as are applications of this method to many physical problems. It remains one of the most vital areas of theoretical physics today, providing a common language to many branches of physics.
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