• No results found

Phase fluctuations and superconductor-insulator transitions (SITs)

Disorder influences the quantum critical transport at a superconductor-to-insulator transition

Disorder influences the quantum critical transport at a superconductor-to-insulator transition

... In conclusion, we have described experiments revealing that disorder influences quantum critical transport of a bosonic system. We find that the critical resistance at the superconductor-to-insulator ...

7

Sequential superconductor–Bose insulator–Fermi insulator phase transitions in quasi-two-dimensional α-WSi

Sequential superconductor–Bose insulator–Fermi insulator phase transitions in quasi-two-dimensional α-WSi

... (Bose insulator), with a product of the correlation length and dynamical exponents z฀฀4/3 near the quantum critical ...sequential superconductor to Bose insulator to Fermi insulator ...

6

Bosonic topological insulator intermediate state in the superconductor-insulator transition

Bosonic topological insulator intermediate state in the superconductor-insulator transition

... BKT TRANSITIONS AND QUANTUM CORRELATION FUNCTIONS The 2D XY model undergoes the famed BKT transition[12, ...topological insulator exists, instead at intermediate values of g ≈ 1 so that both charges and ...

13

Superconductor derived from a topological insulator heterostructure

Superconductor derived from a topological insulator heterostructure

... single- phase crystals of PSBS (m = 2) with an improved method [20], and adopted the electrochemical technique which we developed for making high-quality Cu x Bi 2 Se 3 supercon- ductors [19]; as a result, we have ...

5

Thermal metal-insulator transition in a helical topological superconductor

Thermal metal-insulator transition in a helical topological superconductor

... helical superconductor, constructed out of two coupled chiral ...the phase diagram with the thermal metal-insulator transition, the scaling of the thermal conductivity at the transition, and the ...

8

Direct detection of metal-insulator phase transitions using the modified Backus-Gilbert method

Direct detection of metal-insulator phase transitions using the modified Backus-Gilbert method

... (semi)metal-insulator phase transition can be extremely difficult if the local order parameter which characterizes the ordered phase is ...semimetal phase and the antiferromagnetic ...

8

Voltage Tuning Effect on Metal-Insulator Phase Transitions in Vanadium Dioxide Thin Film

Voltage Tuning Effect on Metal-Insulator Phase Transitions in Vanadium Dioxide Thin Film

... The difficulty for controlling the metal-insulator transition (MIT) temperature through an electrical signal is a main drawback for the development of integrated measuring systems (Shao Z et al., 2018). It would ...

10

Nonequilibrium Effect in  Ferromagnet Insulator Superconductor Tunneling Junction Currents

Nonequilibrium Effect in Ferromagnet Insulator Superconductor Tunneling Junction Currents

... F T cal i + V of the FIS tunneling junction for these three cases, where the F is the ferromagnetic CrO 2 with a half metal phase, the I is a nonmagnetic insulating layer with a real dimensional size, and the S is ...

8

Pressure-temperature phase diagram of the EuRbFe4As4 superconductor

Pressure-temperature phase diagram of the EuRbFe4As4 superconductor

... superconducting transitions, as well as that of the super- conducting upper critical field, are reported for single crystalline EuRbFe 4 As 4 ...pressure-temperature phase diagram was ...

8

Pressure-induced multiple phase transformations of the BaBi3 superconductor

Pressure-induced multiple phase transformations of the BaBi3 superconductor

... multiple phase transformations of the BaBi3 superconductor Abstract Measurements of temperature-dependent resistance and magnetization under hydrostatic pressures up to ...temperature-pressure phase ...

11

Nuclear shape phase transitions

Nuclear shape phase transitions

... is characterised by the breaking of symmetries of the underlying Hamilto- nian – translational, rotational, particle number. To calculate spectroscopic properties it is necessary to extend the SCMF scheme to include ...

10

Metal-insulator transitions, superconductivity, and magnetism in the two-band Hubbard model

Metal-insulator transitions, superconductivity, and magnetism in the two-band Hubbard model

... METAL-INSULATOR TRANSITIONS, … PHYSICAL REVIEW B 98, 075117 (2018) We have then included the possibility to stabilize mag- netic and/or orbital ...first-order phase transi- tion from a metallic state ...

11

Absence of Disorder-Driven Metal-Insulator Transitions in Simple Holographic Models

Absence of Disorder-Driven Metal-Insulator Transitions in Simple Holographic Models

... Beyond non-perturbatively justifying mean-field approximations to disorder, our work demonstrates the practicality of new hydrodynamic insight into holographic transport. Introduction.— Novel condensed matter systems ...

7

Machine learning of quantum phase transitions

Machine learning of quantum phase transitions

... reflect the compression strength), we separate the sam- ples at each point into two sets. One set is used for training, and the other is used for testing. The sam- ples in the training data set are collected deep within ...

6

Superconductor derived from a topological insulator heterostructure

Superconductor derived from a topological insulator heterostructure

... To confirm the reproducibility of the specific-heat data, we made detailed measurements on two superconducting samples with nearly 100% shielding fractions, x = 1.36 and 1.66, both of wh[r] ...

12

Phase transitions in Virology

Phase transitions in Virology

... approach major evolutionary transitions under the um- brella of critical phenomena. Two important venues will need further theoretical ex- ploration in the future. One is the development of evolu- tionary theories ...

24

Chapter 3. Phase transitions. 3.1 Introduction. 3.2 Thermodynamics of phase transitions

Chapter 3. Phase transitions. 3.1 Introduction. 3.2 Thermodynamics of phase transitions

... to phase transitions, both from experimental and theoretical points of ...of phase transitions is due to van der Waals, who in 1873 presented a prim- itive theory of the gas-liquid ...

19

Topological insulator phase in halide perovskite structures

Topological insulator phase in halide perovskite structures

... insulating phase 1 – 4 was found, much effort has been made to find new topological insulator (TI) materials because of their novelty as a new quantum state of matter important in both fundamental physics ...

5

Two-dimensional phase transitions

Two-dimensional phase transitions

... di Francesco, Mathieu, S´ en´ echal, Conformal field-theory, Springer (1997) mh, Conformal invariance and critical phenomena, Springer (1999) Blumenhagen, Plauschinn, Introduction to con[r] ...

60

Phase Transitions in the Early Universe

Phase Transitions in the Early Universe

... In the RHIC experiments, gold nuclei were used in collision Au+Au, with 200 AGeV available in CM. The purpose was to create the conditions for deconfinement inside the initial fireball. The collision process is envisaged ...

30

Show all 10000 documents...

Related subjects