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Cooper Pairs

Experimental observation of the breaking and recombination of single Cooper pairs

Experimental observation of the breaking and recombination of single Cooper pairs

... The exponential increase in rate with detuning can be un- derstood by either the thermal activation of tunneling of single Cooper pairs or of single electrons, i.e., switching between S and (0,0) or (2,2), ...

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Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin-valve structures

Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin-valve structures

... singlet Cooper pairs penetrating a ferromagnetic (F ) layer is non-monotonic in nature, very different from the monotonic de- cay found for the case of proximity coupling into a normal (N ) ...

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Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin valve structures

Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin valve structures

... The already rich ground state in S/F proximity cou- pled systems becomes even more exotic when noncollinear alignments of the exchange fields are considered. Equal spin triplet pair correlations emerge from the ...

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Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin-valve structures

Controlled suppression of superconductivity by the generation of polarized Cooper pairs in spin-valve structures

... SHPM images of stray fields at the surface of the SFF spin valve sample C under rotation of the free layer in an applied field of µ0Ha=10mT T... Variation of Tc as a Function of Angle He[r] ...

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Triplet generation and upper critical field in superconducting spin valves based on CrO2

Triplet generation and upper critical field in superconducting spin valves based on CrO2

... Cooper pairs can survive for distances up to several hundred nm [1,2]. In a half-metal (HM), indeed, at the Fermi level only one spin band is available and so at low temperatures no spin-flip scattering ...

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Electronic Specific Heat of Iron Pnictides Based on Electron Cooper Pair Interaction

Electronic Specific Heat of Iron Pnictides Based on Electron Cooper Pair Interaction

... The discovery of iron pnictides in 2006 added on the number of materials that have the potential to transmit electricity with close zero d.c resistance. High-temperature iron-based superconductors have been obtained ...

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Visualising the charge and Cooper pair density waves in cuprates

Visualising the charge and Cooper pair density waves in cuprates

... of Cooper pairs forming a superconductor was orig- inally conceived as being translationally invariant ...however, pairs can exist with non-zero momentum Q, thus generating a state with ~ a spatially ...

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Colossal Proximity Effect in a Superconducting Triplet Spin Valve Based on the Half-Metallic Ferromagnet CrO2

Colossal Proximity Effect in a Superconducting Triplet Spin Valve Based on the Half-Metallic Ferromagnet CrO2

... spin-triplet Cooper pairs and the mechanism of odd-frequency ...such pairs are not broken by the exchange energy of the ferromagnet, superconducting triplet correlations are long ranged and spin ...

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Microwave irradiation and quasiparticles in a superconducting double dot

Microwave irradiation and quasiparticles in a superconducting double dot

... dependent Cooper pair ...split Cooper pairs are shown in the top row, and ...antisymmetric Cooper pair state are in the bottom ...antisymmetric Cooper pair state on timescales much ...

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Constraining Forces Causing the  Meissner Effect

Constraining Forces Causing the Meissner Effect

... form Cooper pairs consisting in each case of a Bloch state and its time inverted ...form Cooper pairs with zero total spin-angular momen- tum, the conservation of spin angular-momentum is ...

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Realization of a single Cooper pair Josephson laser

Realization of a single Cooper pair Josephson laser

... In conclusion, we have demonstrated lasing by means of a new quantum coherent trans- port process involving the interaction of Cooper pairs and photons. We have provided clear evidence of stimulated ...

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Interfaces of topological insulators and superconductors

Interfaces of topological insulators and superconductors

... Hence, it follows that the current-phase relation for Majorana particles is 4π periodic as well. This can be interpreted as follows: in the conventional 2π periodic case, Cooper pairs (charge 2e) tunnel. ...

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Low Dimensionality as a Factor Stimulating Formation of the Cooper Like Pairs Characteristic for Superconductors

Low Dimensionality as a Factor Stimulating Formation of the Cooper Like Pairs Characteristic for Superconductors

... The electron gas examined in a very thin potential tube exhibits some special kind of the excited pairs mak- ing them similar to the Cooper pairs. The coupling energy of the pair can be calculated as ...

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Realization of a single Cooper pair Josephson laser

Realization of a single Cooper pair Josephson laser

... transfer Cooper pairs across one junction at a ...a Cooper pair tunnels across one of the junctions taking the island from the lower to the higher energy charge state whilst at the same time a photon ...

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Noise switching at a dynamical critical point in a cavity conductor hybrid

Noise switching at a dynamical critical point in a cavity conductor hybrid

... the Cooper pairs leads to a transition from incoherent single Cooper pair transfer [11] to a novel regime of strongly coherent transport [33], signalled by suppression of cur- rent ...

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A THEORETICAL STUDY OF FERMIONIC CONDENSATION IN ULTRA COLD ATOMS AND NUCLEAR MATTER.

A THEORETICAL STUDY OF FERMIONIC CONDENSATION IN ULTRA COLD ATOMS AND NUCLEAR MATTER.

... Abstract: - Using the theoretical formalism of Armen Sedrakian and John W. Clark [Phys. Rev C73, 035803 (2006)], we have studied pair condensation and bound states in fermionic systems. We evaluated the gap function and ...

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Fermi energy of electrons in neutron stars with strong magnetic field and magnetars

Fermi energy of electrons in neutron stars with strong magnetic field and magnetars

... When the temperature is lower than 10 7 K, the strong magnetic fields of the magnetars may orig- inate from the induced magnetic moment of the 3 P2 neutron Cooper pairs in the anisotropic[r] ...

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Cooper Broadband Network Technology 1988 pdf

Cooper Broadband Network Technology 1988 pdf

... Broadband Coaxial Network in a Dispersed Facility Multiple Services Using a Broadband Network Inverted Tree Network Topology Bidirectional Communication: Frequency Translation Bidirectio[r] ...

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Imaging Cooper pairing of heavy fermions in CeCoIn5

Imaging Cooper pairing of heavy fermions in CeCoIn5

... knowledge of the k‐space structure of (k) is required to understand the microscopic Cooper pairing mechanism of heavy‐fermions. This cannot be achieved using such indirect methods, or by using photoemission ...

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Benign electrocardiographic changes and diaphragmatic contractions while using the NanoKnife: A case report

Benign electrocardiographic changes and diaphragmatic contractions while using the NanoKnife: A case report

... [4 ] investigated the influence of IRE pulses with and without ECG synchronization on the occurrence of heart arrhythmias during experimental lung and myocardial ablations, as well [r] ...

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