II. Institute for Theoretical Physics

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Research

AQFT

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Publications and Preprints

Directly to [2011][2010][2009] [2008][2007] [2006][2005] [2004] [2003] [2002] [2001] [2000] [1999] [1998] [1997] [1996] [1995]

(For Group-Members: In case your publication is missing or published also in some journal not mentioned here, please send a mail to here.)

Publications of the year 2011:

Katarzyna Rejzner
Fermionic fields in the functional approach to classical field theory,
preprint arXiv:1101.5126.

Klaus Fredenhagen, Katarzyna Rejzner
Batalin-Vilkovisky formalism in the functional approach to classical field theory,
preprint arXiv:1101.5112.

Publications of the year 2010:

Claudio Dappiaggi, Thomas-Paul Hack, Nicola Pinamonti
Approximate KMS states for scalar and spinor fields in Friedmann-Robertson-Walker spacetimes,
preprint arXiv:1007.5009.

Claudio Dappiaggi, Thomas-Paul Hack, Jan Möller, Nicola Pinamonti
Dark Energy from Quantum Matter,
preprint arXiv:1007.5009.

Nicola Pinamonti
On the initial conditions and solutions of the semiclassical Einstein equations in a cosmological scenario,
preprint arXiv:1001.0864.

Claudio Dappiaggi, Nicola Pinamonti, Martin Porrmann
Local causal structures, Hadamard states and the principle of local covariance in quantum field theory,
preprint arXiv:1001.0858.

Publications of the year 2009:

Christian Bär, Klaus Fredenhagen (Editors)
Quantum Field Theory on Curved Spacetimes: Concepts and Mathematical Foundations,
Lecture Notes in Physics 786, Published by Springer.

Romeo Brunetti, Klaus Fredenhagen, Marc Hoge
Time in quantum physics: From an external parameter to an intrinsic observable,
preprint arXiv:0909.1899.

Claudio Dappiaggi, Valter Moretti, Nicola Pinamonti
Rigorous construction and Hadamard property of the Unruh state in Schwarzschild spacetime,
preprint arXiv:0907.1034.

Claudio Dappiaggi, Thomas-Paul Hack, Nicola Pinamonti
The extended algebra of observables for Dirac fields and the trace anomaly of their stress-energy tensor,
preprint arXiv:0904.0612.

Kai Johannes Keller
Euclidean Epstein-Glaser Renormalization,
preprint arXiv:0902.4789.

Romeo Brunetti, Klaus Fredenhagen
Quantum Field Theory on Curved Backgrounds,
preprint arXiv:0901.2063.

Romeo Brunetti, Michael Duetsch, Klaus Fredenhagen
Perturbative Algebraic Quantum Field Theory and the Renormalization Groups,
preprint arXiv:0901.2038.

Publications of the year 2008:

Claudio Dappiaggi, Valter Moretti, Nicola Pinamonti
Distinguished quantum states in a class of cosmological spacetimes and their Hadamard property,
preprint arXiv:0812.4033.

Nicola Pinamonti
Conformal generally covariant quantum field theory: The Scalar field and its Wick products,
preprint arXiv:0806.0803.

Claudio Dappiaggi
On the Lagrangian and Hamiltonian formulation of a scalar free field theory at null infinity,
Rev. Math. Phys. 20 801-833, 2008.

Bruno Chilian, Klaus Fredenhagen
The time slice axiom in perturbative quantum field theory on globally hyperbolic spacetimes,
preprint arXiv:0802.1642.

Claudio Dappiaggi, Klaus Fredenhagen, Nicola Pinamonti
Stable cosmological models driven by a free quantum scalar field,
preprint arXiv:0801.2850.

Publications of the year 2007:

Claudio Dappiaggi, Valter Moretti, Nicola Pinamonti
Cosmological horizons and reconstruction of quantum field theories,
preprint arXiv:0712.1770.

Valeria L. Gili, Mauro Carfora, Claudio Dappiaggi
BCFT and Ribbon Graphs as tools for open/closed string dualities,
preprint arXiv:0710.5899.

Frank Deuretzbacher, Klaus Fredenhagen, Daniel Becker, Kai Bongs, Klaus Sengstock, Daniela Pfannkuche
Exact Solution of Strongly Interacting Quasi One-Dimensional Spinor Bose Gases,
preprint arXiv:0708.3039.

Heiner Olbermann
States of Low Energy on Robertson-Walker Spacetimes,
preprint arXiv:0704.2986.

Publications of the year 2006:

Klaus Fredenhagen, Felix Reszewski
Polymer state approximations of Schroedinger wave functions,
preprint gr-qc/0606090.

Claus Döscher, Jochen Zahn
DISPERSION RELATION ON THE NONCOMMUTATIVE /PHI^3 AND WESS-ZUMINO MODEL IN THE YANG-FELDMAN FORMALISM,
preprint hep-th/0605062.

Jochen Zahn
REMARKS ON TWISTED NONCOMMUTATIVE QUANTUM FIELD THEORY,
preprint hep-th/0603231.

Klaus Fredenhagen, Karl-Henning Rehren, Erhard Seiler
Quantum Field Theory: Where We Are,
preprint hep-th/0603155.

Romeo Brunetti, Klaus Fredenhagen
Towards a Background Independent Formulation of Perturbative Quantum Gravity,
preprint gr-qc/0603079.

Publications of the year 2005:

Bernd Kuckert, Reinhard Lorenzen
SPIN, STATISTICS, AND REFLECTIONS, II. LORENTZ INVARIANCE,
preprint math-ph/0512068.

Romeo Brunetti, Martin Porrmann, Giuseppe Ruzzi
GENERAL COVARIANCE IN ALGEBRAIC QUANTUM FIELD THEORY,
preprint math-ph/0512059.

Claus Döscher, Jochen Zahn
INFRARED CUTOFFS AND THE ADIABATIC LIMIT IN NONCOMMUTATIVE SPACETIME,
Phys. Rev. D 73, 045024 (2006), preprint hep-th/0512028.

Romeo Brunetti, Giuseppe Ruzzi
SUPERSELECTION SECTORS AND GENERAL COVARIANCE. I,
preprint gr-qc/0511118.

Tobias Schlegelmilch, Roland Schnaubelt
WELLPOSEDNESS OF HYPERBOLIC EVOLUTION EQUATIONS IN BANACH SPACES,
preprint math-ph/0507013.

Hinnerk Albert
INSTANTONS IN THE NON-LINEAR SIGMA MODEL,
preprint hep-th/0503132.

Romeo Brunetti, Klaus Fredenhagen, Stefan Hollands
A REMARK ON ALPHA VACUA FOR QUANTUM FIELD THEORIES ON DE SITTER SPACE,
preprint hep-th/0503022.

Michael Dütsch, Klaus Fredenhagen
ACTION WARD IDENTITY AND THE STUCKELBERG-PETERMANN RENORMALIZATION GROUP,
preprint hep-th/0501228.

Publications of the year 2004:

Bernd Kuckert
SPIN, STATISTICS, AND REFLECTIONS. ROTATION INVARIANCE,
preprint hep-th/0412060.

Christopher J. Fewster, Izumi Ojima, Martin Porrmann
P-NUCLEARITY IN A NEW PERSPECTIVE,
preprint math-ph/0412027.

Romeo Brunetti, Klaus Fredenhagen
ALGEBRAIC APPROACH TO QUANTUM FIELD THEORY,
preprint math-ph/0411072.

Michael Dütsch, Klaus Fredenhagen
PERTURBATIVE RENORMALIZATION AND BRST,
preprint hep-th/0411196.

D. Bahns, S. Doplicher, K. Fredenhagen, G. Piacitelli
FIELD THEORY ON NONCOMMUTATIVE SPACETIMES: QUASIPLANAR WICK PRODUCTS,
preprint hep-th/0408204.

Jochen Zahn
NONCOMMUTATIVE ELECTRODYNAMICS WITH COVARIANT COORDINATES,
preprint hep-th/0405253.

Klaus Fredenhagen
LOCALLY COVARIANT QUANTUM FIELD THEORY,
preprint hep-th/0403007.

Michael Dütsch, Klaus Fredenhagen
CAUSAL PERTURBATION THEORY IN TERMS OF RETARDED PRODUCTS, AND A PROOF OF THE ACTION WARD IDENTITY,
preprint hep-th/0403213.

M. Porrmann:
PARTICLE WEIGHTS AND THEIR DISINTEGRATION I,
Commun.Math.Phys.248:269-304,2004, preprint hep-th/0208230.
M. Porrmann:
PARTICLE WEIGHTS AND THEIR DISINTEGRATION II,
Commun.Math.Phys.248:305-333,2004, preprint hep-th/0211046.

Publications of the year 2003:

Claudio D'Antoni, Klaus Fredenhagen, Soeren Köster:
IMPLEMENTATION OF CONFORMAL COVARIANCE BY DIFFEOMORPHISM SYMMETRY,
preprint math-ph/0312017.
D. Bahns, S. Doplicher (Rome I U.), K. Fredenhagen, G. Piacitelli (Rome I U.):
ULTRAVIOLET FINITE QUANTUM FIELD THEORY ON QUANTUM SPACETIME,
Commun.Math.Phys. 237:221-241, 2003, preprint DESY-03-006, hep-th/0301100.
R. Brunetti (Naples U.), K. Fredenhagen, R. Verch (Göttingen U.):
THE GENERALLY COVARIANT LOCALITY PRINCIPLE -- A NEW PARADIGM FOR LOCAL QUANTUM PHYSICS,
Commun.Math.Phys.237:31-68,2003, preprint math-ph/0112041.

Publications of the year 2002:

D. Bahns:
UNITARY QUANTUM FIELD THEORY ON THE NONCOMMUTATIVE MINKOWSKI SPACE,
Fortsch.Phys.51:658-663,2003, preprint hep-th/0212266.

D. Bahns, S. Doplicher (Rome I U.), K. Fredenhagen, G. Piacitelli (Padova U.):
ON THE UNITARITY PROBLEM IN SPACE/TIME NONCOMMUTATIVE THEORIES,
Phys.Lett.B533:178-181, 2002, preprint hep-th/0201222.

R. Brunetti (Naples U.), K. Fredenhagen:
REMARKS ON TIME-ENERGY UNCERTAINTY RELATIONS,
Rev.Math.Phys. 14:897-906, 2002, preprint quant-ph/0207048.
R. Brunetti (Naples U.), K. Fredenhagen:
TIME OF OCCURRENCE OBSERVABLE IN QUANTUM MECHANICS,
Phys. Rev. A 66, 044101 (2002), preprint DESY01-038, DSF 11-2001, quant-ph/0103144.
M. Dütsch (Göttingen U.), K. Fredenhagen:
THE MASTER WARD IDENTITY AND GENERALIZED SCHWINGER-DYSON EQUATION IN CLASSICAL FIELD THEORY,
Commun.Math.Phys. 237:31-68, 2003, preprint hep-th/0211242.
B. Kuckert:
MOVING QUANTUM SYSTEMS: PARTICLES VERSUS VACUUM,
preprint math-ph/0203011.
B. Kuckert:
SPIN & STATISTICS IN NONRELATIVISTIC QUANTUM MECHANICS,
preprint quant-ph/0208151.
P. Marecki:
APPLICATION OF QUANTUM INEQUALITIES TO QUANTUM OPTICS,
Phys. Rev. A 66, 053801 (2002), preprint quant-ph/0203027.

Publications of the year 2001:

M. Dütsch, F.-M. Boas:
THE MASTER WARD IDENTITY,
hep-th/0111101.
M. Dütsch, K. Fredenhagen:
ALGEBRAIC QUANTUM FIELD THEORY, PERTURBATION THEORY, AND THE LOOP EXPANSION,
Commun.Math.Phys.219:5-30,2001, hep-th/0001129, preprint DESY00-013.
M. Dütsch, K. Fredenhagen:
PERTURBATIVE ALGEBRAIC FIELD THEORY, AND DEFORMATION QUANTIZATION,
Proceedings of the Conference on Mathematical Physics in Mathematics and Physics, Siena June 20-25 2000, preprint DESY O1-002, hep-th/0101079.
G. Pinter:
FINITE RENORMALIZATIONS IN THE EPSTEIN GLASER FRAMEWORK AND RENORMALIZATION OF THE S-MATRIX OF Φ⁴-THEORY,
Ann. Phys. (Leipzig) 10 (2001)4, 333-363, hep-th/9911063 .
D. Prange:
ENERGY MOMENTUM TENSOR IN LOCAL CAUSAL PERTURBATION THEORY,
Ann. Phys. (Leipzig) 10 (2001)6, 497-525.
D. Prange:
OPERATOR PRODUCT EXPANSION IN LOCAL CAUSAL PERTURBATION THEORY,
Ann. Phys. (Leipzig) 10 (2001)6, 527-540.

Publications of the year 2000:

R. Brunetti (Naples U.) , K. Fredenhagen:
MICROLOCAL ANALYSIS AND INTERACTING QUANTUM FIELD THEORIES: RENORMALIZATION ON PHYSICAL BACKGROUNDS,
Commun. Math. Phys. 208 (2000) no. 3, 623-661, preprint DESY 99-032, math-ph/9903028.
M. Dütsch, B. Schroer (CBPF Rio de Janeiro):
MASSIVE VECTORMESONS AND GAUGE THEORY,
J. Phys. A 33 (2000), 4317-4356, hep-th/9906089.
K. Kratzert:
SINGULARITY STRUCTURE OF THE TWO POINT FUNCTION OF THE FREE DIRAC FIELD ON A GLOBALLY HYPERBOLIC SPACETIME,
Annalen Phys. 9 (2000), 475-498, math-ph/0003015.
G. Pinter:
EPSTEIN-GLASER RENORMALIZATION: FINITE RENORMALIZATIONS, THE S MATRIX OF Φ⁴ THEORY AND THE ACTION PRINCIPLE,
Ph.D. Thesis, Nov 2000, DESY-THESIS-2000-047 .
G. Pinter:
THE HOPF ALGEBRA STRUCTURE OF CONNES AND KREIMER IN EPSTEIN-GLASER RENORMALIZATION,
Lett.Math.Phys.54:227-233,2000, hep-th/0012057 .
D. Prange:
ENERGY MOMENTUM TENSOR AND OPERATOR PRODUCT EXPANSION IN LOCAL CAUSAL PERTURBATION THEORY,
Ph.D. Thesis, Sep 2000, DESY-THESIS-2000-037 , hep-th/0009124 .

Publications of the year 1999:

F.-M. Boas: GAUGE THEORIES IN LOCAL CAUSAL PERTURBATION THEORY, Ph.D. Thesis, Nov. 1999, DESY-THESIS-1999-032 , hep-th/0001014 .
K. Bresser, G. Pinter, D. Prange: LORENTZ INVARIANT RENORMALIZATION IN CAUSAL PERTURBATION THEORY, hep-th/9903266.
M. Dütsch, K. Fredenhagen: A LOCAL (PERTURBATIVE) CONSTRUCTION OF OBSERVABLES IN GAUGE THEORIES: THE EXAMPLE OF QED, Commun. Math. Phys. 203 (1999), no.1, 71-105, preprint DESY 98-090, hep-th/9807078.
D. Prange: LORENTZ COVARIANCE IN EPSTEIN-GLASER RENORMALIZATION, hep-th/9904136.

Publications of the year 1998:

M. Dütsch, K. Fredenhagen: DEFORMATION STABILITY OF BRST-QUANTIZATION preprint DESY 98-098, hep-th/9807215.

Publications of the year 1997:

A. Aste (Zurich U.), G. Scharf (Zurich U.), M. Dütsch : PERTURBATIVE GAUGE INVARIANCE: ELECTROWEAK THEORY II preprint ZU-TH-4-97, hep-th/9702053.
A. Aste (Zurich U.), G. Scharf (Zurich U.), M. Dütsch : ON GAUGE INVARIANCE AND SPONTANEOUS SYMMETRY BREAKING, preprint ZU-TH-11-97, hep-th/9705216.
A. Aste (Zurich U.), G. Scharf (Zurich U.), M. Dütsch : GAUGE INDEPENDENCE OF THE S MATRIX IN THE CAUSAL APPROACH. preprint ZU-TH-28-97, hep-th/9710093.
R. Brunetti (Naples U.) , K. Fredenhagen: INTERACTING QUANTUM FIELDS IN CURVED SPACE: RENORMALIZATION OF PHI^4, preprint DESY 97-005, in: Operator Algebras and Quantum Field Theory (Proceedings Rome 1996), eds.: S. Doplicher, R. Longo, J.E. Roberts, L. Zsido, International Press gr-qc/9701048.
R. Brunetti (Naples U.), K. Fredenhagen: INTERACTING QUANTUM FIELDS ON A CURVED BACKGROUND, contribution to the proceedings ICMP Brisbane 1997, hep-th/9709011.
K. Frieler, K.H. Rehren: A NON-ABELIAN SQUARE ROOT OF ABELIAN VERTEX OPERATORS, preprint DESY 97-096, hep-th/9705033.
B. Kuckert: BORCHERS' COMMUTATION RELATIONS AND MODULAR SYMMETRIES IN QUANTUM FIELD THEORY, Lett. Math. Phys. 41 (1997) 307-320.
M. Müger: SUPERSELECTION STRUCTURE OF QUANTUM FIELD THEORIES IN 1+1 DIMENSIONS, PhD thesis 1997, preprint DESY 97-073, ps-file
M. Müger: ON CHARGED FIELDS WITH GROUP SYMMETRY AND DEGENERACIES OF VERLINDE'S MATRIX S, preprint DESY 97-080, hep-th/9705018.
M. Müger: SUPERSELECTION STRUCTURE OF MASSIVE QUANTUM FIELD THEORIES IN 1+1 DIMENSIONS, preprint DESY 97-081, hep-th/9705019.
S. Ohlmeyer: THE MEASUREMENT OF LENGTH IN LINEAR QUANTUM GRAVITY, PhD thesis 1997, preprint DESY 97-107
D. Prange: CAUSAL PERTURBATION THEORY AND DIFFERENTIAL RENORMALIZATION, J. Phys. A 32 (1999), no. 11, 2225-2238, preprint DESY 97-211, hep-th/9710225 .
K.H. Rehren: BOUNDED BOSE FIELDS, Lett. Math. Phys. 40 (1997) 299-306, DESY 96-092, hep-th/9605156 .
K.H. Rehren: WEAK C* HOPF SYMMETRY, in: Quantum Group Symposium at Group21, eds. H.-D. Doebner and V.K. Dobrev, Heron Press (Sofia) 1997, pp. 62-69; q-alg/9611007.

Publications of the year 1996:

J. Böckenhauer: SUPERSELECTION SECTORS OF SO(N) WESS-ZUMINO-WITTEN MODELS, PhD thesis 1997, preprint DESY 96-118
J. Böckenhauer, J. Fuchs (DESY): HIGHER LEVEL WZW SECTORS FROM FREE FERMIONS, preprint DESY 96-030
J. Böckenhauer: AN ALGEBRAIC FORMULATION OF LEVEL ONE WESS-ZUMINO-WITTEN MODELS, Rev. Math. Phys. 8 (1996) 925-948
J. Bros (Saclay), D. Buchholz: AXIOMATIC ANALYTICITY PROPERTIES AND REPRESENTATIONS OF PARTICLES IN THERMAL QUANTUM FIELD THEORY Ann. Inst. H. Poincare 64 (1996) 495-522
J. Bros (Saclay), D. Buchholz: THE UNMASKING OF THERMAL GOLDSTONE BOSONS preprint DESY 96-167
R. Brunetti (Naples U.), K. Fredenhagen, M. Köhler: THE MICROLOCAL SPECTRUM CONDITION AND WICK POLYNOMIALS OF FREE FIELDS ON CURVED SPACETIMES, Commun. Math. Phys. 180 (1996) 633-652
D. Buchholz: QUARKS, GLUONS, COLOR: FACTS OR FICTION? Nucl. Phys. B 469 (1996) 333-356
K. Fredenhagen, M. Jörß: CONFORMAL HAAG-KASTLER NETS, POINTLIKE LOCALIZED FIELDS AND THE EXISTENCE OF OPERATOR PRODUCT EXPANSIONS, Commun. Math. Phys. 176 (1996) 541-554.
K. Fredenhagen, M.R. Gaberdiel, S.M. Rüger (FU Berlin): SCATTERING STATES OF PLEKTONS (PARTICLES WITH BRAID GROUP STATISTICS) IN (2+1)-DIMENSIONAL QUANTUM FIELD THEORY, Commun. Math. Phys. 175 (1996) 319-335.
M. Jörß: FROM CONFORMAL HAAG-KASTLER NETS TO WIGHTMAN FUNCTIONS. submitted to Lett. Math. Phys., hep-th/9609020.
M. Jörß: CONFORMAL QUANTUM FIELD THEORY: FROM HAAG-KASTLER NETS TO WIGHTMAN FIELDS. DESY-96-136, Jul 1996. 98pp, Ph.D. Thesis.
M. Jörß: THE CONSTRUCTION OF POINTLIKE LOCALIZED CHARGED FIELDS FROM CONFORMAL HAAG-KASTLER NETS. Lett. Math. Phys. 38 (1996) 257-274. hep-th/9506016.
M. Müger: QUANTUM DOUBLE ACTIONS ON OPERATOR ALGEBRAS AND ORBIFOLD QUANTUM FIELD THEORIES, to appear in Commun. Math. Phys., DESY-96-117, hep-th/9606175.
M. Müger: DISORDER OPERATORS, QUANTUM DOUBLES, AND HAAG DUALITY IN (1+1)-DIMENSIONS, presented at Cargese, 1996, DESY-96-237, hep-th/9611131.
M.J. Radzikowski, R. Verch: A LOCAL TO GLOBAL SINGULARITY THEOREM FOR QUANTUM FIELD THEORY ON CURVED SPACE-TIME, Commun. Math. Phys. 180 (1996) 1-22
K.H. Rehren, Y.S. Stanev (Rome U.), I.T. Todorov (INRNE Sofya): CHARACTERIZING INVARIANTS FOR LOCAL EXTENSIONS OF CURRENT ALGEBRAS, Commun. Math. Phys. 174 (1996) 605-633, ps-file
K.H. Rehren: COMMENTS ON A RECENT SOLUTION TO WIGHTMAN'S AXIOMS, Commun. Math. Phys. 178 (1996) 453-465, ps-file
D. Schlingemann: ON THE ALGEBRAIC THEORY OF SOLITON AND ANTI-SOLITON SECTORS, Rev. Math. Phys. 8 (1996) 301-326, hep-th/9601015.
D. Schlingemann: KINK STATES IN P (PHI) IN 2-DIMENSIONS MODELS (AN ALGEBRAIC APPROACH), preprint DESY 96-051, Apr 1996, hep-th/9604075.
D. Schlingemann: ON THE EXISTENCE OF KINK (SOLITON) STATES, Rev. Math. Phys. 8 (1996) 1187-1204, hep-th/9512100.
D. Schlingemann: ON THE ALGEBRAIC THEORY OF KINK SECTORS: APPLICATION TO QUANTUM FIELD THEORY MODELS AND COLLISION THEORY, PhD thesis 1997, preprint DESY 96-228
K.H. Rehren: GENERALIZED CUNTZ ALGEBRAS ASSOCIATED WITH SUBFACTORS, preprint DESY 96-231, to appear in Rome 1996 Proceedings, funct-an/9611001.
R. Verch: CONTINUITY OF SYMPLECTICALLY ADJOINT MAPS AND THE ALGEBRAIC STRUCTURE OF HADAMARD VACUUM REPRESENTATIONS FOR QUANTUM FIELDS ON CURVED SPACE-TIME, funct-an/9609004.
R. Verch: SCALING ANALYSIS AND ULTRAVIOLET BEHAVIOUR OF QUANTUM FIELD THEORIES IN QURVED SPACE-TIME, PhD thesis 1996.

Publications of the year 1995:

D. Buchholz, C. D'Antoni (Rome II U.): PHASE SPACE PROPERTIES OF CHARGED FIELDS IN THEORIES OF LOCAL OBSERVABLES, Rev. Math. Phys. 7 (1995) 527-558, hep-th/9410185.
D. Buchholz, R. Verch: SCALING ALGEBRAS AND RENORMALIZATION GROUP IN ALGEBRAIC QUANTUM FIELD THEORY, Rev. Math. Phys. 7 (1995) 1195-1240, hep-th/9501063.
S. Doplicher (Rome I U.), K. Fredenhagen, J.E. Roberts (Rome II U.): THE QUANTUM STRUCTURE OF SPACE-TIME AT THE PLANCK SCALE AND QUANTUM FIELDS, Commun. Math. Phys. 172 (1995) 187-220.
A. Herdegen: LONG RANGE EFFECTS IN ASYMPTOTIC FIELDS AND ANGULAR MOMENTUM OF CLASSICAL FIELD ELECTRODYNAMICS, J. Math. Phys. 36 (1995) 4044-4086.
W. Junker: HADAMARD STATES, ADABATIC VACUA AND THE CONSTRUCTION OF PHYSICAL STATES FOR SCALAR QUANTUM FIELDS ON CURVED SPACETIME, Rev. Math. Phys. 8 (1996), 1091-1159, hep-th/9507097.
M. Köhler: NEW EXAMPLES FOR WIGHTMAN FIELDS ON A MANIFOLD, Class. Quant. Grav. 12 (1995) 1413-1428, Erratum ibid. 12 (1995) 2355, hep-th/9410027.
B. Kuckert: A NEW APPROACH TO SPIN AND STATISTICS, Lett. Math. Phys. 35 (1995) 319-331, hep-th/9412130.
R. Longo (Rome II U.), K.H. Rehren: NETS OF SUBFACTORS, Rev. Math. Phys. 7 (1995) 567-597, ps-file
R. Verch: HADAMARD VACUA IN CURVED SPACE-TIME AND THE PRINCIPLE OF LOCAL DEFINITENESS, Lectures given at 11th International Conference on Mathematical Physics, Paris, 1994, preprint DESY-95-031