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966 (0,096s) •

Project

Terahertz spin excitations and ultrafast phonomagnetism (GA24-10791S)

dichroism. In other carefully selected mixed orthoferrite crystals, we will pump phonons interrelated ultrafast magnetic effects in crystals under THz irradiation. This includes the phonomagnetic theory stating that THz pu...

Condensed matter physics (including formerly solid state physics, supercond.)

  • 2024 - 2026
    • •
  • 7 278 tis. Kč
    • •
  • 6 932 tis. Kč
    • •
  • GA ČR
Project

Physics of phononic interactions in solids for terahertz light generation (8J19FR006)

basic physical processes taking place in phononic THz generation in suitable materials we willapply both approaches (i) ab-initio modeling of vibron-phonon to emit THz coherent light by utilizing the vibron-phonon coupling...

Optics (including laser optics and quantum optics)

  • 2019 - 2020
    • •
  • 156 tis. Kč
    • •
  • 156 tis. Kč
    • •
  • MŠMT
Project

Presentation of investigation results at the 9th Conference on Luminescence and Optical spectroscopy of Condensed Matters (PG99015)

: calculation of crystal field parameters for Mn ions substituted for Ti ions in SrTiO3 dependence of the Mn zero-phonon line frequency.......

BM - Fyzika pevných látek a magnetismus

  • 1999 - 1999
    • •
  • 86 tis. Kč
    • •
  • 42 tis. Kč
    • •
  • MŠMT
Project

Propagation of acoustic waves through phononic materials and structures (GA18-24954S)

The project deals with wave processes that are related to phononic crystals (PCs) acoustic/elastic metamaterials (AEMMs). Although a lot of progress has been made in this field of research there are some directions of the research ...

Mechanical engineering

  • 2018 - 2020
    • •
  • 3 311 tis. Kč
    • •
  • 2 924 tis. Kč
    • •
  • GA ČR
Project

Low-phonon energy transparent ceramic luminophores emitting in the short- and mid-infrared region (GA22-14200S)

compounds with the general formula (RE0.05A0.95)2B2O7 crystallizing in the pyrochlore structure will be modified in order to decrease the phonon energy of the crystal lattice. We will study the effect of the phonon

Optics (including laser optics and quantum optics)

  • 2022 - 2024
    • •
  • 8 018 tis. Kč
    • •
  • 7 777 tis. Kč
    • •
  • GA ČR
Project

Single-phonon quantum acoustics (GA23-06308S)

high-fidelity single-phonon operations for diverse phononic platforms in world single-phonon operations will test these platforms at an advanced level, open......

Condensed matter physics (including formerly solid state physics, supercond.)

  • 2023 - 2025
    • •
  • 8 484 tis. Kč
    • •
  • 8 289 tis. Kč
    • •
  • GA ČR
Project

Dynamics and enharmonic soft modes in ferroelectric crystals (GA202/99/D066)

Dynamics of the anharmonic soft models will be studied in three crystals with incommensurate phase of second type. We will pay attention to the proper structural soft mode, corresponding to the inhomogeneous soft modes, corresponding to the ...

BM - Fyzika pevných látek a magnetismus

  • 1999 - 2002
    • •
  • 989 tis. Kč
    • •
  • 490 tis. Kč
    • •
  • GA ČR
Project

Microscopic processes involving 4f electrons in superconducting cuprates (GA202/00/1602)

the 4f electrons in cuprates including the crystal field excitations, the anisotropic magnetic superexchange interaction, and the coupling of the 4f excitations to phonons this project, however, infrared measurements of single ...

BM - Fyzika pevných látek a magnetismus

  • 2000 - 2002
    • •
  • 2 963 tis. Kč
    • •
  • 1 413 tis. Kč
    • •
  • GA ČR
Project

Quantum fluctuations in nonlinear lattice electron-phonon models in one dimension (GA202/01/1450)

Analytical and numerical investigations of nonlinear lattice two-level electron -phonon systems (with Holstein, Peierls-Hubbard type of interaction) :a) Enhancement of quantum fluctuations of the electron-phonon density and of p...

BE - Teoretická fyzika

  • 2001 - 2003
    • •
  • 1 135 tis. Kč
    • •
  • 1 110 tis. Kč
    • •
  • GA ČR
Project

Theoretical and experimental study of thermodynamic properties and phase behavior of molecular crystals (GA17-03875S)

The goal of the project is to gain an insight into current possibilities of first-principles calculations to provide reliable thermodynamic data for molecular crystals and to predict their phase behavior. In the theoretical part, quantum che...

CF - Fyzikální chemie a teoretická chemie

  • 2017 - 2019
    • •
  • 4 928 tis. Kč
    • •
  • 3 983 tis. Kč
    • •
  • GA ČR
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