High-fidelity Z-measurement error encoding of optical qubits
... states are robust against accidental Z measurement. The encoding of Eq. 共1兲 also forms the basic element in a redundancy code, which can be used to correct for photon loss errors 关23兴: 兩典LL = ␣兩0典L兩0典L + 兩1典L兩1典L. For these reasons it is important to show that qubit states can be encoded with high ...
... states are robust against accidental Z measurement. The encoding of Eq. 共1兲 also forms the basic element in a redundancy code, which can be used to correct for photon loss errors 关23兴: 兩典LL = ␣兩0典L兩0典L + 兩1典L兩1典L. For these reasons it is important to show that qubit states can be encoded with high ...
the transcendental meditation technique and quantum physics
... that consciousness is a global, collective property of it rather than a microscopic one (3). A physical scientist approaching such a problem would, after his habit, ask whether it is possible to find for the sake of study a simplified state of consciousness which preserves the essential elements in ...
... that consciousness is a global, collective property of it rather than a microscopic one (3). A physical scientist approaching such a problem would, after his habit, ask whether it is possible to find for the sake of study a simplified state of consciousness which preserves the essential elements in ...
The symmetrized quantum potential and space as a direct
... theory is inherently blind to the existence of such state-space geometries, attempts to formulate unified theories of physics within a conventional quantum-theoretic framework are misguided, and that a successful quantum theory of gravity should unify the causal non-Euclidean geometry of space time ...
... theory is inherently blind to the existence of such state-space geometries, attempts to formulate unified theories of physics within a conventional quantum-theoretic framework are misguided, and that a successful quantum theory of gravity should unify the causal non-Euclidean geometry of space time ...
Geometry of State Spaces - Institut für Theoretische Physik
... After these lengthy introduction to our first chapter, we have not much to comment to our third one. It is just devoted to the (partial) extension of what has been said above to general state spaces. It will be done mainly, but not only, by purification methods. The central objects are the generaliz ...
... After these lengthy introduction to our first chapter, we have not much to comment to our third one. It is just devoted to the (partial) extension of what has been said above to general state spaces. It will be done mainly, but not only, by purification methods. The central objects are the generaliz ...
Quantum heat engine with multilevel quantum systems
... This paper is organized as follows: In Sec. II, we formulate a quantum version of the first law of thermodynamics for a multilevel quantum system. In Sec. III, we discuss the relationship between the quantum adiabatic process and the thermodynamic adiabatic process. In Sec. IV we analyze the quantum ...
... This paper is organized as follows: In Sec. II, we formulate a quantum version of the first law of thermodynamics for a multilevel quantum system. In Sec. III, we discuss the relationship between the quantum adiabatic process and the thermodynamic adiabatic process. In Sec. IV we analyze the quantum ...
Generation of arbitrary Dicke states in spinor Bose±Einstein
... hJ^z i m0 6 0). By using our procedure however, this need not be the case. In order to create squeezed states with arbitrary prescribed value of hJ^z i m0 and arbitrary Dicke states, we propose to use instead the following method: ®rst, a coupling pulse of appropriate strength is applied to the ...
... hJ^z i m0 6 0). By using our procedure however, this need not be the case. In order to create squeezed states with arbitrary prescribed value of hJ^z i m0 and arbitrary Dicke states, we propose to use instead the following method: ®rst, a coupling pulse of appropriate strength is applied to the ...
A Formal Cause Beyond Space and Time
... leaping over if there is no space between the two orbits at all? In either possibility, we cannot describe a path of an electron in the hydrogen atom, and the concept of motion can no longer be applied to describe the elementary particles. That is why Bohr writes “we stand here almost entirely on vi ...
... leaping over if there is no space between the two orbits at all? In either possibility, we cannot describe a path of an electron in the hydrogen atom, and the concept of motion can no longer be applied to describe the elementary particles. That is why Bohr writes “we stand here almost entirely on vi ...
Quantum digital spiral imaging
... We employ the experimental set-up shown in Figure 2 to demonstrate the non-local decomposition of non-integer phase vortices. A collimated 355-nm beam pumps a 5-mm long b-barium borate (BBO) crystal, where a degenerate 710 nm signal and idler photons are produced in pairs via type-I collinear SPDC a ...
... We employ the experimental set-up shown in Figure 2 to demonstrate the non-local decomposition of non-integer phase vortices. A collimated 355-nm beam pumps a 5-mm long b-barium borate (BBO) crystal, where a degenerate 710 nm signal and idler photons are produced in pairs via type-I collinear SPDC a ...
Probing exciton localization in nonpolar GaN/AlN quantum dots by
... 0.3 meV around 4 eV兲, and detected by a liquid-nitrogencooled charge coupled device camera. The photoluminescence of the smallest mesas presents isolated sharp lines in the high-energy tail of the quantum dot distribution 共⬎3.8 eV兲, but for reasons that are still not fully understood, we could not f ...
... 0.3 meV around 4 eV兲, and detected by a liquid-nitrogencooled charge coupled device camera. The photoluminescence of the smallest mesas presents isolated sharp lines in the high-energy tail of the quantum dot distribution 共⬎3.8 eV兲, but for reasons that are still not fully understood, we could not f ...
Presentation Part A - High Speed Digital Systems Laboratory
... The Synchronization system is an integral part of a quantum encryption system. The system will allow transferring messages in a safe way that a third unauthorized person would not be able to decipher . The Synchronization system is needed to control the detector so it would be able to identify a s ...
... The Synchronization system is an integral part of a quantum encryption system. The system will allow transferring messages in a safe way that a third unauthorized person would not be able to decipher . The Synchronization system is needed to control the detector so it would be able to identify a s ...
Memory matrix theory of magnetotransport in strange metals arXiv
... quantum matter not amenable to a quasiparticle description [1, 2]. Apart from the well-known linear in temperature (T ) resistivity, the strange metal has a Hall angle tan(θH ) ∼ 1/T 2 [3, 4]. This combination cannot be reproduced in a Boltzmann theory of charge-carrying quasiparticles with a long l ...
... quantum matter not amenable to a quasiparticle description [1, 2]. Apart from the well-known linear in temperature (T ) resistivity, the strange metal has a Hall angle tan(θH ) ∼ 1/T 2 [3, 4]. This combination cannot be reproduced in a Boltzmann theory of charge-carrying quasiparticles with a long l ...
Path integrals and the classical approximation
... can consider Feynman’s formulation in the case of a single particle moving in three dimensions. We still have operators and states, but the emphasis is not on the operators and states and we do not use the Schrödinger equation directly. Instead, we express the amplitude for the particle to get from ...
... can consider Feynman’s formulation in the case of a single particle moving in three dimensions. We still have operators and states, but the emphasis is not on the operators and states and we do not use the Schrödinger equation directly. Instead, we express the amplitude for the particle to get from ...
Partial Observation of Quantum Turing Machine and Weaker Well
... physical system, does not interact with its environment. As a consequence, it is impossible to know whether the machine halts without measuring it. Moreover, if this measurement reveals that the computation was actually not finished, the machine has to be re-initialised. In order to solve this probl ...
... physical system, does not interact with its environment. As a consequence, it is impossible to know whether the machine halts without measuring it. Moreover, if this measurement reveals that the computation was actually not finished, the machine has to be re-initialised. In order to solve this probl ...
Quantum Channels - Institut Camille Jordan
... let them evolve along any unitary evolution, finally look at the resulting state for H. Translating this in a more mathematical langage, we are given a state ω on K, a unitary operator U on H ⊗ K. Given any initial state ρ on H, we couple the system H to K so that to obtain the state ρ ⊗ ω. After th ...
... let them evolve along any unitary evolution, finally look at the resulting state for H. Translating this in a more mathematical langage, we are given a state ω on K, a unitary operator U on H ⊗ K. Given any initial state ρ on H, we couple the system H to K so that to obtain the state ρ ⊗ ω. After th ...
