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- Klaus Fredenhagen

Discipline name
D-index
D-index (Discipline H-index) only includes papers and citation values for an examined
discipline in contrast to General H-index which accounts for publications across all
disciplines.
Citations
Publications
World Ranking
National Ranking

Mathematics
D-index
36
Citations
6,036
78
World Ranking
1310
National Ranking
76

- Quantum mechanics
- Quantum field theory
- Algebra

Klaus Fredenhagen mainly focuses on Quantum field theory, Mathematical physics, Theoretical physics, Causal perturbation theory and Renormalization. Quantum field theory is a subfield of Quantum mechanics that Klaus Fredenhagen explores. His biological study spans a wide range of topics, including Field, S-matrix and Tensor.

His work carried out in the field of Theoretical physics brings together such families of science as Mathematical analysis, Quantum field theory in curved spacetime, Quantum gravity, Spacetime and Covariant transformation. His Quantum field theory in curved spacetime research includes elements of Classical mechanics, Linearized gravity and Quantum spacetime. His Renormalization research includes themes of Renormalization group and Density matrix renormalization group.

- The quantum structure of spacetime at the Planck scale and quantum fields (1225 citations)
- Spacetime quantization induced by classical gravity (692 citations)
- The Generally covariant locality principle: A New paradigm for local quantum field theory (445 citations)

His primary scientific interests are in Quantum field theory, Mathematical physics, Theoretical physics, Quantum mechanics and Observable. His Quantum field theory research is multidisciplinary, incorporating perspectives in Renormalization, Algebraic number, Quantization, Scalar field and Covariant transformation. His Theoretical physics study combines topics from a wide range of disciplines, such as Lattice gauge theory, Field, Quantum gravity, Quantum field theory in curved spacetime and Spacetime.

His Quantum gravity study combines topics in areas such as Open quantum system and Classical mechanics. In his research, Causal sets and Quantum geometry is intimately related to Quantum spacetime, which falls under the overarching field of Quantum field theory in curved spacetime. Klaus Fredenhagen studied Quantum mechanics and Operator algebra that intersect with Operator product expansion.

- Quantum field theory (50.00%)
- Mathematical physics (37.66%)
- Theoretical physics (35.06%)

- Quantum field theory (50.00%)
- Mathematical physics (37.66%)
- Theoretical physics (35.06%)

Klaus Fredenhagen mostly deals with Quantum field theory, Mathematical physics, Theoretical physics, Algebraic number and Quantum gravity. Quantum field theory is a subfield of Quantum mechanics that Klaus Fredenhagen studies. He has researched Mathematical physics in several fields, including Hamiltonian mechanics and Scalar.

The concepts of his Theoretical physics study are interwoven with issues in Field, Quantum spacetime and Observable. He combines subjects such as Constructive quantum field theory, Fermi Gamma-ray Space Telescope, Thirring model, Von Neumann architecture and Interaction picture with his study of Algebraic number. His study on Quantum gravity is mostly dedicated to connecting different topics, such as Classical mechanics.

- Batalin-Vilkovisky Formalism in Perturbative Algebraic Quantum Field Theory (124 citations)
- Batalin-Vilkovisky Formalism in the Functional Approach to Classical Field Theory (89 citations)
- QFT on curved spacetimes : axiomatic framework and examples (75 citations)

- Quantum mechanics
- Quantum field theory
- Algebra

Quantum field theory, Quantum gravity, Mathematical physics, Theoretical physics and Relationship between string theory and quantum field theory are his primary areas of study. His Quantum field theory research integrates issues from Development, Minkowski space, Perspective, Axiom and Calculus. His work in Calculus addresses subjects such as Peierls bracket, which are connected to disciplines such as Causal perturbation theory, Algebraic number and Renormalization.

His Mathematical physics research is multidisciplinary, incorporating perspectives in Hamiltonian mechanics, Scalar and Quantum statistical mechanics. His Theoretical physics study incorporates themes from Cohomology, Effective field theory and Covariant transformation. His Relationship between string theory and quantum field theory research includes themes of Topological quantum field theory, Thermal quantum field theory, Function field of an algebraic variety and Classical mechanics.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

The quantum structure of spacetime at the Planck scale and quantum fields

Sergio Doplicher;Klaus Fredenhagen;John E. Roberts.

Communications in Mathematical Physics **(1995)**

1599 Citations

Spacetime quantization induced by classical gravity

Sergio Doplicher;Klaus Fredenhagen;John E. Roberts.

Physics Letters B **(1994)**

914 Citations

Superselection sectors with braid group statistics and exchange algebras. I: General theory

K. Fredenhagen;Karl-Henning Rehren;B. Schroer.

Communications in Mathematical Physics **(1989)**

628 Citations

The generally covariant locality principle -- A new paradigm for local quantum physics

Romeo Brunetti;Klaus Fredenhagen;Rainer Verch.

arXiv: Mathematical Physics **(2001)**

541 Citations

The Generally covariant locality principle: A New paradigm for local quantum field theory

Romeo Brunetti;Klaus Fredenhagen;Rainer Verch.

Communications in Mathematical Physics **(2003)**

469 Citations

Microlocal Analysis and¶Interacting Quantum Field Theories:¶Renormalization on Physical Backgrounds

Romeo Brunetti;Klaus Fredenhagen.

Communications in Mathematical Physics **(2000)**

455 Citations

Locality and the structure of particle states

Detlev Buchholz;Klaus Fredenhagen.

Communications in Mathematical Physics **(1982)**

420 Citations

The microlocal spectrum condition and Wick polynomials of free fields on curved spacetimes

R. Brunetti;K. Fredenhagen;M. Köhler.

Communications in Mathematical Physics **(1996)**

292 Citations

The microlocal spectrum condition and Wick polynomials of free fields on curved spacetimes

R. Brunetti;K. Fredenhagen;M. Koehler.

arXiv: General Relativity and Quantum Cosmology **(1995)**

280 Citations

On the unitarity problem in space/time noncommutative theories

D. Bahns;S. Doplicher;K. Fredenhagen;Gherardo Piacitelli.

Physics Letters B **(2002)**

241 Citations

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