Christian Forssén
Christian Forssén är Professor i teoretisk fysik vid avdelningen för Subatomär, högenergi- och plasmafysik på Institutionen för fysik.
Christian forskar inom teoretisk kärn- och partikelfysik. Han vill bland annat besvara frågor som: Hur uppkom våra grundämnen och varför finns det mycket av vissa och få av andra? Vad är egenskaperna hos en neutronstjärna och hur förhåller den sig till annan kärnmateria? Kan vi använda kärnfysikaliska processer för att förstå mer om vårt universum, till exempel förekomsten av mörk materia?
Christian använder teoretiska metoder (som effektiv fältteori och kvantmekanisk mångkropparsteori), avancerade beräkningsverktyg (som till exempel maskininlärning) och högpresterande superdatorer (både nationellt och internationellt) för att angripa grundvetenskapliga frågeställningar.
Fullständiga publikationslistor och bibliometri är tillgängliga via profilsidan på Google scholar eller via inSPIRE.
Läs mer om Christians forskning på hemsidan för forskargruppen Teoretisk subatomär fysik (på engelska).
Visar 87 publikationer
Systematic Nuclear Uncertainties in the Hypertriton System
Power counting in chiral effective field theory and nuclear binding
Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32
Normal-ordering approximations and translational (non)invariance
Accurate bulk properties of nuclei from A=2 to infinity from potentials with Delta isobars
Finite-size effects in heavy halo nuclei from effective field theory
Quantifying uncertainties in nuclear matrix elements for dark matter searches
Bayesian optimization in ab initio nuclear physics
Large-scale exact diagonalizations reveal low-momentum scales of nuclei
Ab initio nuclear response functions for dark matter searches
Ab initio no-core solutions for Li-6
Neutron and weak-charge distributions of the Ca-48 nucleus
Range corrections in proton halo nuclei
Uncertainty quantification for proton-proton fusion in chiral effective field theory
Uncertainty Analysis and Order-by-Order Optimization of Chiral Nuclear Interactions
Infrared length scale and extrapolations for the no-core shell model
Tunneling theory for tunable open quantum systems of ultracold atoms in one-dimensional traps
Statistical uncertainties of a chiral interaction at next-to-next-to leading order
Accurate nuclear radii and binding energies from a chiral interaction
Quantum magnetism in strongly interacting one-dimensional spinor Bose systems
Strongly Interacting Few-Fermion Systems in a Trap
Effective field theory for proton halo nuclei
Fermionization of two-component few-fermion systems in a one-dimensional harmonic trap
Microscopic description of translationally invariant core+N+N overlap functions
Exclusive measurements of nuclear breakup reactions of 17Ne
Ab initio no core full configuration approach for light nuclei
Constraining low-energy proton capture on beryllium-7 through charge radius measurements
Ab initio no core full configuration approach for light nuclei
Living on the edge of stability, the limits of the nuclear landscape
Coulomb breakup of 17Ne from the viewpoint of nuclear astrophysics
Optimized Chiral Nucleon-Nucleon Interaction at Next-to-Next-to-Leading Order
Systematics of 2+ states in C isotopes from the no-core shell model
Excited-state transition-rate measurements in C-18
Structure of C-16: Testing shell model and ab initio approaches
Reorientation-effect measurement of the (2+ 1 Eˆ22+ 1) matrix element in 10Be
The ab initio No-Core Shell Model and Light Nuclei
The similarity renormalization group for three-body interactions in one dimension
The unbound isotopes He-9,He-10
Resonance parameters of the first 1/2+ state in 9Be and astrophysical implications
Three-body correlations in the decay of He-10 and Li-13
Properties of the 7He ground state from 8He neutron knockout
The Ab Initio No-core Shell Model
Precise branching ratios to unbound 12C states from 12N and 12B [beta]-decays
Effective-interaction approach to the many-boson problem
Lithium isotopes beyond the drip line
Surrogate reactions: the Weisskopf-Ewing approximation and its limitations
The [sup 14]C(n,gamma) cross section between 10 keV and 1 MeV
Converging sequences in the ab initio no-core shell model
Determining neutron capture cross sections via the surrogate reaction technique
Surrogate nuclear reaction methods for astrophysics
Cross sections of light-ion reactions calculated from ab initio wave functions
Surrogate Nuclear Reactions - An Indirect Approach to Compound-Nucleus Reactions
Compound-nuclear reactions via Surrogate measurements
Structure of neutron-rich oxygen isotopes
Surrogate Nuclear Reactions and the origin of the heavy elements
Ab initio no-core shell model calculations using realistic two- and three-body interactions
Surrogate nuclear reactions: An indirect method for determining reaction cross sections
Large basis ab initio shell model investigation of 9Be and 11Be
Shell Structure of the Near-Dripline Nucleus 23O
Hyperfine structure of heavy hydrogen-like ions
Radiative capture and electromagnetic dissociation involving loosely bound nuclei: The 8B example
Two- and three-body correlations: breakup of halo nuclei
Nuclear and Coulomb breakup of 8B
Analytical studies of 8B electromagnetic dissociation
Experimental evidence for the 8B ground state configuration
Analytical E1 strength functions of two-neutron halo nuclei: the 6He example
Analytical approach to electromagnetic processes in loosely bound nuclei: application to 8B
Evidence for a new low-lying resonance state in 7He
Analytical E1 strength functions of two-neutron halo nuclei: 11Li and 14Be
Analysis of decay data from neutron-rich nuclei
Hyperfine structure of hydrogenlike thallium isotopes
A correlated background in invariant mass spectra of three-body systems
New information on β-delayed neutron emission from 12,14Be
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Visar 6 forskningsprojekt
Teoretisk Kärnfysik med Precision
Yata – Intelligenta system för att förbättra och stödja undervisning
Svaga och sällsynta processer i atomkärnan: fundamentala symmetrier och mörk materia
Discovering Dark Matter Particles in the Laboratory
Ab initio approach to nuclear structure and reactions (++) (ANSR)