| 1. |
- Adenier, Guillaume, et al.
(författare)
-
Double Blinding-Attack on Entanglement-Based Quantum Key Distribution Protocols
- 2012
-
Ingår i: AIP Conference Proceedings. - : AIP. - 0094-243X .- 1551-7616. - 9780735410046 ; 1424:1, s. 9-16
-
Tidskriftsartikel (refereegranskat)abstract
- We propose a double blinding-attack on entangled-based quantum key distribution protocols. The principle of the attack is the same as in existing blinding attack except that instead of blinding the detectors on one side only, Eve is blinding the detectors of both Alice and Bob. In the BBM92 protocol, the attack allows Eve to get a full knowledge of the key and remain undetected even if Alice and Bob are using 100% efficient detectors. The attack can be easily extended to Ekert protocol, with an efficiency as high as 85.3%.
|
|
| 2. |
- Adenier, Guillaume, et al.
(författare)
-
Multiple-photon absorption attack on entanglement-based quantum key distribution protocols
- 2013
-
Ingår i: Quantum Bio-Informatics V: Proceedings of the Quantum Bio-Informatics 2011 : <em>Tokyo University of Science, Japan, </em><em>7 – 12 March 2011</em>. - Singapore : World Scientific. - 9789814460019 ; , s. 171-180
-
Konferensbidrag (refereegranskat)abstract
- We propose a multiple-photon absorption attack on Quantum Key Distribution protocols. In this attack, the eavesdropper (Eve) is in control of the source and sends pulses correlated in polarization (but not entangled) containing several photons at frequencies for which only multiple-photon absorptions are possible in Alice's and Bob's detectors. Whenever the number of photons from one pulse are dispatched in insufficient number to trigger a multiple-photon absorption in either channel, the pulse remains undetected. We show that this simple feature is enough to reproduce the type of statistics on the detected pulses that are considered as indicating a secure quantum key distribution in entangled-based protocols, even though the source is controlled by Eve, and we discuss possible countermeasures.
|
|
| 3. |
|
|
| 4. |
- Asano, Masanari, et al.
(författare)
-
A model of differentiation in quantum bioinformatics
- 2017
-
Ingår i: Progress in Biophysics and Molecular Biology. - : Elsevier. - 0079-6107 .- 1873-1732. ; 130, s. 88-98
-
Forskningsöversikt (refereegranskat)abstract
- Differentiation is a universal process found in various phenomena of nature. As seen in the example of cell differentiation, the creation diversity on individual's character is caused by environmental interactions. In this paper, we try to explain its mechanism, which has been discussed mainly in Biology, by using the formalism of quantum physics. Our approach known as quantum bioinformatics shows that the temporal change of statistical state called decoherence fits to describe non-local phenomena like differentiation. (C) 2017 Elsevier Ltd. All rights reserved.
|
|
| 5. |
- Asano, Masanari, et al.
(författare)
-
A model of epigenetic evolution based on theory of open quantum systems
- 2013
-
Ingår i: Systems and Synthetic Biology. - : Springer Netherlands. - 1872-5325 .- 1872-5333. ; 7:4, s. 161-173
-
Tidskriftsartikel (refereegranskat)abstract
- We present a very general model of epigenetic evolution unifying (neo-)Darwinian and (neo-)Lamarckian viewpoints. The evolution is represented in the form of adaptive dynamics given by the quantum(-like) master equation. This equation describes development of the information state of epigenome under the pressure of an environment. We use the formalism of quantum mechanics in the purely operational framework. (Hence, our model has no direct relation to quantum physical processes inside a cell.) Thus our model is about probabilities for observations which can be done on epigenomes and it does not provide a detailed description of cellular processes. Usage of the operational approach provides a possibility to describe by one model all known types of cellular epigenetic inheritance.
|
|
| 6. |
- Asano, Masanari, et al.
(författare)
-
A quantum-like model of selection behavior
- 2017
-
Ingår i: Journal of mathematical psychology (Print). - : Elsevier. - 0022-2496 .- 1096-0880. ; 78, s. 2-12
-
Tidskriftsartikel (refereegranskat)abstract
- In this paper, we introduce a new model of selection behavior under risk that describes an essential cognitive process for comparing values of objects and making a selection decision. This model is constructed by the quantum-like approach that employs the state representation specific to quantum theory, which has the mathematical framework beyond the classical probability theory. We show that our quantum approach can clearly explain the famous examples of anomalies for the expected utility theory, the Ellsberg paradox, the Machina paradox and the disparity between WTA and WTP. Further, we point out that our model mathematically specifies the characteristics of the probability weighting function and the value function, which are basic concepts in the prospect theory. (C) 2016 Elsevier Inc. All rights reserved.
|
|
| 7. |
- Asano, M, et al.
(författare)
-
General Formalism of Decision Making Based on Theory of Open Quantum Systems
- 2013
-
Ingår i: Quantum Bio-Informatics V - Proceedings of the Quantum Bio-Informatics 2011. - : World Scientific. - 9789814460019 ; , s. 49-56
-
Konferensbidrag (refereegranskat)abstract
- We present the general formalism of decision making which is based on the theory of open quantum systems. A person (decision maker), say Alice, is considered as a quantum-like system, i.e., a system which information processing follows the laws of quantum information theory. To make decision, Alice interacts with a huge mental bath. Depending on context of decision making this bath can include her social environment, mass media (TV, newspapers, INTERNET), and memory. Dynamics of an ensemble of such Alices is described by Gorini-Kossakowski-Sudarshan-Lindblad (GKSL) equation. We speculate that in the processes of evolution biosystems (especially human beings) designed such “mental Hamiltonians” and GKSL-operators that any solution of the corresponding GKSL-equation stabilizes to a diagonal density operator (In the basis of decision making.) This limiting density operator describes population in which all superpositions of possible decisions has already been resolved. In principle, this approach can be used for the prediction of the distribution of possible decisions in human populations.
|
|
| 8. |
- Asano, Masanari, et al.
(författare)
-
Lamarckian Evolution of Epigenome from Open Quantum Systems and Entanglement
- 2014
-
Ingår i: Quantum Interaction. - Berlin, Heidelberg : Springer. - 9783642549427 ; , s. 324-334
-
Konferensbidrag (refereegranskat)abstract
- We develop a quantum-like (QL) model of cellular evolution based on the theory of open quantum systems and entanglement between epigenetic markers in a cell. This approach is applied to modeling of epigenetic evolution of cellular populations. We point out that recently experimental genetics discovered numerous phenomena of cellular evolution adaptive to the pressure of the environment. In such phenomena epigenetic changes are fixed in one generation and, hence, the Darwinian natural selection model cannot be applied. A number of prominent genetists stress the Lamarckian character of epigenetic evolution. In quantum physics the dynamics of the state of a system (e.g. electron) contacting with an environment (bath) is described by the theory of open quantum systems. Therefore it is natural to apply this theory to model adaptive changes in the epigenome. Since evolution of the Lamarckian type is very rapid – changes in the epigenome have to be inherited in one generation – we have to find a proper mathematical description of such a speed up. In our model this is the entanglement of different epigenetic markers.
|
|
| 9. |
- Asano, Masanari, et al.
(författare)
-
Non-Kolmogorovian approach to the context-dependent systems breaking the classical probability law.
- 2013
-
Ingår i: Foundations of physics. - : Springer Science and Business Media LLC. - 0015-9018 .- 1572-9516. ; 43:7, s. 895-911
-
Tidskriftsartikel (refereegranskat)abstract
- There exist several phenomena breaking the classical probability laws. The systems related to such phenomena are context-dependent, so that they are adaptive to other systems. In this paper, we present a new mathematical formalism to compute the joint probability distribution for two event-systems by using concepts of the adaptive dynamics and quantum information theory, e.g., quantum channels and liftings. In physics the basic example of the context-dependent phenomena is the famous double-slit experiment. Recently similar examples have been found in biological and psychological sciences. Our approach is an extension of traditional quantum probability theory, and it is general enough to describe aforementioned contextual phenomena outside of quantum physics.
|
|
| 10. |
|
|
