Singlet state information

In quantum mechanics, a singlet state usually refers to a system in which all electrons are paired. The term 'singlet' originally meant a linked set of...

Singlet oxygen, systematically named dioxygen(singlet) and dioxidene, is a gaseous inorganic chemical with the formula O=O (also written as 1 [O 2] or...

up singlet in Wiktionary, the free dictionary. Singlet may refer to: singlet state, in theoretical physics, a quantum state with zero spin Singlet fission...

aligning oppositely to give S = 0, a spin singlet. Most molecules encountered in daily life exist in a singlet state because all of their electrons are paired...

a "color singlet" state, which is mathematically analogous to a spin singlet state. Such states allow interaction with other color singlets, but not with...

singlet ground state is excited (via absorption of radiation) to a higher energy level, either an excited singlet state or an excited triplet state will...

fluorescent "singlet state" to a slower emitting "triplet state". The slower timescales of the reemission are associated with "forbidden" energy state transitions...

state of isospin called singlet, or in a symmetric state called triplet. In terms of the "down" state and "up" state, the singlet is 1 2 ( | ↑↓ ⟩ − | ↓↑...

intersystem crossing (RISC) converting it to a singlet state, which can then de-excite to the ground state and emit light in a process termed fluorescence...

trace 1. A more complicated case is given (in bra–ket notation) by the singlet state, which exemplifies quantum entanglement: | ψ ⟩ = 1 2 ( | ↑↓ ⟩ − | ↓↑...

or transfer from a substrate molecule and highly reactive state of oxygen known as singlet oxygen (Type II). PDT is a multi-stage process. First a photosensitiser...

whereas singlet systems and triplet systems have significantly lower efficiencies or rely on noble metals such as Pt and Ir to emit light. Singlet state Triplet...

be the spin anti-symmetric state (singlet state) or orthohelium to be spin symmetric state (triplet state). The singlet state is given as: | χ s = 0 , m...

independent spin states in total. Exchange interaction splits these into a singlet state (total spin S = 0) and a set of 3 degenerate triplet states (S = 1)...

with corresponding energy levels. The state with the lowest energy level, or ground state, is a singlet state (1Σ+ g), which is systematically named...

excited states are often called metastable. Long-lived nuclear isomers and singlet oxygen are two examples of this. Atoms can be excited by heat, electricity...

125–140° for triplet methylene and 102° for singlet methylene. Most carbenes have a nonlinear triplet ground state. For simple hydrocarbons, triplet carbenes...

Singlet fission is a spin-allowed process, unique to molecular photophysics, whereby one singlet excited state is converted into two triplet states. The...

unusual property that the triplet ground state is only 1.1 kcal/mol (4.6 kJ/mol) lower in energy than the singlet state. For this reason, fluorenylidene has...

modifications in covalent bonds are caused by transition from a singlet state to the triplet state of the fluorophores. The number of excitation cycles to achieve...

isospin. Isoscalars are a singlet state, with total isospin 0 and the third component of isospin 0, much like a singlet state in a 2-particle addition...

this triplet state, electron transition (relaxation) back to the lower singlet state energies is quantum mechanically forbidden, meaning that it happens...

photochemical singlet state. Through intersystem crossing the triplet state can be obtained. On cleavage of the α-carbon bond from either state, two radical...

S2CID 121627152. Hall, Michael J. W. (2010-12-16). "Local Deterministic Model of Singlet State Correlations Based on Relaxing Measurement Independence". Physical Review...

transform into an excited singlet state. The single electron in the excited singlet state then flips in its intrinsic spin state via Intersystem crossing...

molecule, may have opposite spin (singlet; anticorrelated), or the same spin (triplet; correlated). The singlet state is called such because there is only...

carbenes, and can exist in either a singlet or a triplet state. The parent nitrenium ion, NH+2, is a ground state triplet species with a gap of 30 kcal/mol...