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cavity control as a new quantum algorithms implementation treatment

Frontiers of physics 2018年第1期13卷 187-199页

作者： M. AbuGhanem A. H. Homid M. Abdel-Aty University of Science and Technology Zewail City of Science and Technology Giza 12588 Egypt Departme-nt of Mathematics Faculty of Science Ain-Shams University Cairo 11566 Egypt Faculty of Science Al-Azhar University Assiut 71524 Egypt

Based on recent experiments [Nature 449, 438 （2007） and Nature Physics 6, 777 （2010）], a new approach for realizing quantum gates for the design of quantum algorithms was developed. Accordingly, the operation times of such gates while functioning in algorithm applications depend on the number of photons present in their resonant cavities. Multi-qubit algorithms can be realized in systems in which the photon number is increased slightly over the qubit number. In addition, the time required for operation is considerably less than the dephasing and relaxation times of the systems. The contextual use of the photon number as a main control in the realization of any algorithm was demonstrated. The results indicate the possibility of a full integration into the realization of multi-qubit multiphoton states and its application in algorithm designs. Yhrthermore, this approach will lead to a successful implementation of these designs in future experiments.

关键词： quantum computation quantum algorithms implementation cavity control

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cavity control of Prefoldin Nano Actuator (PNA) by Temperature and pH

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Nano-Micro Letters 2012年第2期4卷 110-117页

作者： Ali Shokuhfar Ali Ghaffari Reza Hasanzadeh Ghasemi Department of Mechanical Engineering K.N. Toosi University of Technology

A molecular dynamics study to investigate the cavity control of Prefoldin based bio nano actuator is presented in this paper. Prefoldin is a molecular chaperone with a jellyfish-like structure containing six long coiled-coil tentacles and a large central cavity. We took the temperature and p H of the medium into account,and analyzed the conformational flexibility of the Prefoldin nano actuator in details. Results show that the prefoldin is a very flexible protein, the conformational state of which appears to depend on the temperature and p H values of the medium. In fact, combining these two control parameters, a suitable environment is provided to capture nano cargoes with specific dimensions. These properties of Prefoldin actuator can be used for drug delivery in the body.

关键词： Prefoldin Nano Actuator(PNA) cavity control Molecular Dynamics GROMACS

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