Dr. Florian Lange
Dr. rer. nat. Florian Lange
Short Bio
Florian Lange holds a master’s degree and a PhD in Theoretical Physics from the University of Greifswald. For his PhD thesis, he received the doctoral award of the Faculty of Mathematics and Natural Sciences. In 2022, he joined the NHR@FAU Training & Support Division as a domain expert for physics. His research interests are low-dimensional condensed matter systems, tensor network methods and quantum computing.
2024
Metal-insulator transition of spinless fermions coupled to dispersive optical bosons
In: Scientific Reports 14 (2024), Article No.: 18050
ISSN: 2045-2322
DOI: 10.1038/s41598-024-68811-y
, :
Charge-order melting in the one-dimensional Edwards model
In: Physical Review Research 6 (2024), Article No.: L022007
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.6.L022007
, , :
2023
Entanglement analysis of photoinduced η -pairing states
In: European Physical Journal - Special Topics (2023)
ISSN: 1951-6355
DOI: 10.1140/epjs/s11734-023-00975-6
, , :
2022
- Ejima A., Lange F., Fehske H.:
Photoinduced metallization of excitonic insulators
In: Physical Review B 105 (2022), Article No.: 245126
ISSN: 2469-9969
DOI: https://doi.org/10.1103/PhysRevB.105.245126
- Ejima A., Lange F., Fehske H.:
Nonequilibrium dynamics in pumped Mott insulators
In: Physical Review Research 4 (2022), Article No.: L012012
ISSN: 2643-1564
DOI: https://doi.org/10.1103/PhysRevResearch.4.L012012
2021
- Ejima S., Lange F., Fehske H.:
Quantum criticality in dimerised anisotropic spin-1 chains
In: The European Physical Journal Special Topics 230 (2021), Article No.: 1009
ISSN: 1951-6401
DOI: https://doi.org/10.1140/epjs/s11734-021-00060-w
- Fujimoto J., Lange F., Ejima S., Shirakawa T., Fehske H., Yunoki S., Maekawa S.:
Spin-charge conversion and current vortex in spin-orbit coupled systems
In: APL Materials 9 (2021), Article No.: 060904
ISSN: 2166-532X
DOI: https://doi.org/10.1063/5.0049882
- Lange F., Ejima S., Fujimoto J., Shirakawa T., Fehske H., Yunoki S., Maekawa S.:
Generation of current vortex by spin current in Rashba systems
In: Physical Review Letters 126 (2021), Article No.: 157202
ISSN: 1079-7114
DOI: https://link.aps.org/doi/10.1103/PhysRevLett.126.157202
- Ejima S., Lange F., Fehske H.:
Finite-temperature photoemission in the extended Falicov-Kimball model: a case study for Ta2NiSe5
In: SciPost Physics 10 (2021), Article No.: 077
ISSN: 2542-4653
DOI: https://doi.org/10.21468/SciPostPhys.10.3.077
2020
- Ejima S., Kaneko T., Lange F., Yunoki S., Fehske H.:
Photoinduced η-pairing at finite temperatures
In: Physical Review Research 2 (2020), Article No.: 032008(R)
ISSN: 2643-1564
DOI: https://link.aps.org/doi/10.1103/PhysRevResearch.2.032008
- Ejima S., Kaneko T., Lange F., Yunoki S., Fehske H.:
Photoinduced η-pairing in one-dimensional Mott insulators
In: JPS Conference Proceedings 30 (2020), Article No.: 011184
ISSN: 2435-3892
DOI: https://doi.org/10.7566/JPSCP.30.011184
- Lange F., Ejima S., Shirakawa T., Yunoki S., Fehske H.:
Block-Lanczos density-matrix renormalization-group approach to spin transport in Heisenberg chains coupled to leads
In: Journal of the Physical Society of Japan 89 (2020), Article No.: 044601
ISSN: 1347-4073
DOI: https://doi.org/10.7566/JPSJ.89.044601
- Lange F., Ejima S., Fehske H.:
Dynamic response of spin-2 bosons in one-dimensional optical lattices
In: Physical Review A 100 (2019), Article No.: 023623
ISSN: 2469-9934
DOI: https://doi.org/10.1103/PhysRevA.100.023623
2019
- Sugimoto K., Ejima S., Lange F., Fehske H.:
Quantum phase transitions in the dimerized extended Bose-Hubbard model
In: Physical Review A 99 (2019), Article No.: 012122
ISSN: 2469-9934
DOI: https://link.aps.org/doi/10.1103/PhysRevA.99.012122
- Lange F., Ejima S., Fehske H.:
Driving XXZ spin chains: Magnetic-field and boundary effects
In: EPL 125 (2019), Article No.: 17001
ISSN: 1286-4854
DOI: https://iopscience.iop.org/article/10.1209/0295-5075/125/17001/pdf
2018
- Ejima S., Yamaguchi T., H. F., Lange F., Ohta Y., H. H.:
Exotic criticality in the dimerized spin-1 XXZ chain with single-ion anisotropy
In: SciPost Physics 5 (2018), Article No.: 059
ISSN: 2542-4653
DOI: https://doi.org/10.21468/SciPostPhys.5.6.059
- Lange F., Ejima S., Shirakawa T., Yunoki S., Fehske H.:
Spin transport through a spin-1/2 XXZ chain contacted to fermionic leads
In: Physical Review B 97 (2018), Article No.: 245124
ISSN: 2469-9969
DOI: https://link.aps.org/doi/10.1103/PhysRevB.97.245124
- Lange F., Ejima S., Fehske H.:
Finite-temperature dynamic structure factor of the spin-1 XXZ chain with single-ion anisotropy
In: Physical Review B 97 (2018), Article No.: 060403(R)
ISSN: 2469-9969
DOI: https://link.aps.org/doi/10.1103/PhysRevB.97.060403
- Ejima S., Lange F., Essler F. H. L., Fehske H.:
Critical behavior of the extended Hubbard model with bond dimerization
In: Physica B 536 (2018), Article No.: 474
ISSN: 1873-2135
DOI: https://doi.org/10.1016/j.physb.2017.09.001
2017
- Lange F., Ejima S., Fehske H.:
Strongly repulsive anyons in one dimension
In: Physical Review A 95 (2017), Article No.: 063621
ISSN: 2469-9934
DOI: https://doi.org/10.1103/PhysRevA.95.063621
- Lange F., Ejima S., Fehske H.:
Anyonic Haldane insulator in one dimension
In: Physical Review Letters 118 (2017), Article No.: 120401
ISSN: 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.118.120401
< 2017
- Ejima S., Essler F., Lange F., Fehske H.:
Ising tricriticality in the extended Hubbard model with bond dimerization
In: Physical Review B 93 (2016), Article No.: 235118
ISSN: 2469-9969
DOI: https://doi.org/10.1103/PhysRevB.93.235118
- Lange F., Ejima S., Fehske H.:
Criticality at the Haldane-insulator charge-density-wave quantum phase transition
In: Physical Review B 92 (2015), Article No.: 041120
ISSN: 2469-9969
DOI: https://doi.org/10.1103/PhysRevB.92.041120
- Ejima S., Lange F., Fehske H.:
Spectral and Entanglement Properties of the Bosonic Haldane Insulator
In: Physical Review Letters 113 (2014), Article No.: 020401
ISSN: 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.113.020401
- Ejima S., Lange F., Fehske H., Gebhard F., zu Münster K.:
One-dimensional Bose-Hubbard model with local three-body interactions
In: Physical Review A 88 (2013), Article No.: 063625
ISSN: 2469-9934
DOI: https://doi.org/10.1103/PhysRevA.88.063625