Quantum Information Processing
... significant inroads into this huge technology spectrum in the foreseeable future. Nevertheless, even if quantum machines could outperform their classical counterparts (or, better still, open up completely new avenues) in just a few useful applications, there would be real excitement. Quantum enginee ...
... significant inroads into this huge technology spectrum in the foreseeable future. Nevertheless, even if quantum machines could outperform their classical counterparts (or, better still, open up completely new avenues) in just a few useful applications, there would be real excitement. Quantum enginee ...
Decoherence and open quantum systems
... as long as possible we have to protect it against different environmental influences. For this reason, the study of diverse decoherence models of open quantum systems is essential to develop a better understanding of the occuring phenomena. In practice, any realistic physical system has to be regard ...
... as long as possible we have to protect it against different environmental influences. For this reason, the study of diverse decoherence models of open quantum systems is essential to develop a better understanding of the occuring phenomena. In practice, any realistic physical system has to be regard ...
Frank Wilczek 1 Selected Publications of Frank Wilczek, with Brief Commentary
... In the first three papers listed below, Gross and I did several things. We discovered the central dynamical feature unique to non-abelian gauge theories, that their effective strength diminishes to zero at short distances or high energy due to quantum antiscreening of charge (asymptotic freedom). We ...
... In the first three papers listed below, Gross and I did several things. We discovered the central dynamical feature unique to non-abelian gauge theories, that their effective strength diminishes to zero at short distances or high energy due to quantum antiscreening of charge (asymptotic freedom). We ...
Physics - Poincare
... experimentation, whereas mathematics is concerned with abstract patterns, not limited by those observed in the real world. The distinction, however, is not always clear-cut. There is a large area of research intermediate between physics and mathematics, known as mathematical physics. Physics is also ...
... experimentation, whereas mathematics is concerned with abstract patterns, not limited by those observed in the real world. The distinction, however, is not always clear-cut. There is a large area of research intermediate between physics and mathematics, known as mathematical physics. Physics is also ...
How do you divide your (two dimensional) time? .1in SLE, CLE, the
... “There are methods and formulae in science, which serve as masterkeys to many apparently different problems. The resources of such things have to be refilled from time to time. In my opinion at the present time we have to develop an art of handling sums over random surfaces. These sums replace the ...
... “There are methods and formulae in science, which serve as masterkeys to many apparently different problems. The resources of such things have to be refilled from time to time. In my opinion at the present time we have to develop an art of handling sums over random surfaces. These sums replace the ...
Explicit Polarization Theory - Comp Chem
... limitations: there is no general approach to treat the coupling of internal degrees freedom, the treatment of electronic polarization is difficult, intermolecular charge transfer is neglected, excited electronic states cannot be treated, and in the form usually employed the methods are inapplicable ...
... limitations: there is no general approach to treat the coupling of internal degrees freedom, the treatment of electronic polarization is difficult, intermolecular charge transfer is neglected, excited electronic states cannot be treated, and in the form usually employed the methods are inapplicable ...
Quantum correlations and distinguishability of quantum states
... and B has Hilbert space given by the tensor product HAB = HA ⊗ HB . For instance, if A and B are two qubits with Hilbert spaces HA ≃ HB ≃ C2 , the space of these two qubits is HAB = C2 ⊗ C2 ≃ C4 . Similarly, HA1 ...Ak = HA1 ⊗ · · · ⊗ HAk is the Hilbert space of the multipartite system formed by putt ...
... and B has Hilbert space given by the tensor product HAB = HA ⊗ HB . For instance, if A and B are two qubits with Hilbert spaces HA ≃ HB ≃ C2 , the space of these two qubits is HAB = C2 ⊗ C2 ≃ C4 . Similarly, HA1 ...Ak = HA1 ⊗ · · · ⊗ HAk is the Hilbert space of the multipartite system formed by putt ...
annual report 2015 - ARC Centre of Excellence for Engineered
... Quantum mechanics provides the functionality of nearly every technology around us. Our understanding of this fundamental physical theory has given us the information revolution, home computers, iPhones, GPS, atomic clocks and Magnetic Resonance Imaging (MRI). From flat-panel monitors to optical netw ...
... Quantum mechanics provides the functionality of nearly every technology around us. Our understanding of this fundamental physical theory has given us the information revolution, home computers, iPhones, GPS, atomic clocks and Magnetic Resonance Imaging (MRI). From flat-panel monitors to optical netw ...
Applications of Resolutions of the Coulomb Operator in Quantum
... levels are not continuous but discrete. During the 19th century and early 20th century, there were many renowned scientists including Boltzmann [16], Planck [17], Einstein [18], de Broglie [19] and Heisenberg [20] involved in the conception of this new field of physics. As the unique feature of this ...
... levels are not continuous but discrete. During the 19th century and early 20th century, there were many renowned scientists including Boltzmann [16], Planck [17], Einstein [18], de Broglie [19] and Heisenberg [20] involved in the conception of this new field of physics. As the unique feature of this ...
Knot Theory
... In mathematics, knot theory is the study of knots. This field of topology focuses on issues such as 1. Given a tangled loop of string, is it really knotted or can it, with enough ingenuity and/or luck, be untangled without having to cut it? 2. More generally, given two tangled loops of string, when ...
... In mathematics, knot theory is the study of knots. This field of topology focuses on issues such as 1. Given a tangled loop of string, is it really knotted or can it, with enough ingenuity and/or luck, be untangled without having to cut it? 2. More generally, given two tangled loops of string, when ...
Models of quantum computation and quantum programming
... puters can actually solve NP-complete problems in polynomial time [21, 22]. This proof could be given by quantum algorithms solving in polynomial time problems known to be NP-complete such as k-colorability. The complexity of quantum computation remains poorly understood. We do not have much evidenc ...
... puters can actually solve NP-complete problems in polynomial time [21, 22]. This proof could be given by quantum algorithms solving in polynomial time problems known to be NP-complete such as k-colorability. The complexity of quantum computation remains poorly understood. We do not have much evidenc ...
Quantum correlations and measurements
... can be described as a P function convolved with a certain amount of Gaussian noise, which subsequently led to the notion of s-parametrized quasiprobabilities [56–58]. The parameter s addresses the amount of Gaussian noise convolution or – in terms of observables – a particular ordering of annihilati ...
... can be described as a P function convolved with a certain amount of Gaussian noise, which subsequently led to the notion of s-parametrized quasiprobabilities [56–58]. The parameter s addresses the amount of Gaussian noise convolution or – in terms of observables – a particular ordering of annihilati ...
Phenomenology of Higgs Bosons Beyond the Standard Model
... The properties one is interested in are which particles exist in Nature and their masses, electric charges, lifetimes and interactions. In addition, one studies possible underlying structures behind the properties of particles. Often, one adds the prefix elementary to particle physics to imply that t ...
... The properties one is interested in are which particles exist in Nature and their masses, electric charges, lifetimes and interactions. In addition, one studies possible underlying structures behind the properties of particles. Often, one adds the prefix elementary to particle physics to imply that t ...
Spin Squeezing, Macrorealism and the Heisenberg uncertainty
... be attributed to a violation of classical principles, such as local-realism or macroscopicrealism in macroscopic systems, e.g., large ensembles of atoms. At first, after reviewing the basic principles and defining what a quantum state is, we will retrace the historical debate started around the foun ...
... be attributed to a violation of classical principles, such as local-realism or macroscopicrealism in macroscopic systems, e.g., large ensembles of atoms. At first, after reviewing the basic principles and defining what a quantum state is, we will retrace the historical debate started around the foun ...
Nonadiabatic alignment by intense pulses
... since the oscillations of the laser field at the light frequency can be eliminated at both nearand non-resonance frequencies48,50 (see Sec. III and Appendix A). Thus, in the long pulse limit, τpulse À τrot , laser alignment reduces to an intensively studied problem that is readily understood in clas ...
... since the oscillations of the laser field at the light frequency can be eliminated at both nearand non-resonance frequencies48,50 (see Sec. III and Appendix A). Thus, in the long pulse limit, τpulse À τrot , laser alignment reduces to an intensively studied problem that is readily understood in clas ...
Entanglement and Quantum Cryptography Joonwoo Bae Universitat de Barcelona
... applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general formalism to characterize the cryptographic properties of quantum channels ...
... applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general formalism to characterize the cryptographic properties of quantum channels ...
Entanglement and Quantum Cryptography
... applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general formalism to characterize the cryptographic properties of quantum channels ...
... applications. The present thesis covers several topics on quantum cryptography, such as the security analysis of quantum channels for key distribution protocols and the study of quantum cloning. First, we introduce a general formalism to characterize the cryptographic properties of quantum channels ...
Causal sets:
... • If the cosmological constant comes from the zero-point energy of QFT, shouldn’t it be 1? • In other words, why is there an approximately flat manifold at all? • If it’s not 1 why isn’t it 0? • Is it a coincidence that L has only just become significant? Joe Henson: Causal sets ...
... • If the cosmological constant comes from the zero-point energy of QFT, shouldn’t it be 1? • In other words, why is there an approximately flat manifold at all? • If it’s not 1 why isn’t it 0? • Is it a coincidence that L has only just become significant? Joe Henson: Causal sets ...
Document
... the Wineland sense. But this does not mean that all states with no Wineland squeezing are of fully separable form In particular, there can be entangled states with ...
... the Wineland sense. But this does not mean that all states with no Wineland squeezing are of fully separable form In particular, there can be entangled states with ...
Resolving the Structure of Black Holes: Philosophizing with a Hammer
... is much larger than the Planck scale, one ensures that gs , α′ and quantum corrections will not wipe out the solutions (although, as we will see in Section 7, things are not always as simple as this). However, working purely within supergravity is not enough: for example supergravity does not have ...
... is much larger than the Planck scale, one ensures that gs , α′ and quantum corrections will not wipe out the solutions (although, as we will see in Section 7, things are not always as simple as this). However, working purely within supergravity is not enough: for example supergravity does not have ...
The Pokorski Group Story III. 1. The Beginnings Among those who
... in Zakopane. Moreover, despite our meagre resources in convertible currency, many of us attended conferences, workshops, and schools on high energy physics, simply because quite frequently our fees and expenses were covered by the organizers of these events. I, personally, participated in a school o ...
... in Zakopane. Moreover, despite our meagre resources in convertible currency, many of us attended conferences, workshops, and schools on high energy physics, simply because quite frequently our fees and expenses were covered by the organizers of these events. I, personally, participated in a school o ...
