• Psi-theory, developed by Dietrich Dörner at the University of Bamberg, is a systemic psychological theory covering human action regulation, intention...
    18 KB (2,337 words) - 02:59, 16 July 2023
  • Look up PSI, Psi, or psi in Wiktionary, the free dictionary. Psi, PSI or Ψ may refer to: Psi (Greek) (Ψ or ψ), the twenty-third letter of the Greek alphabet...
    6 KB (676 words) - 22:37, 6 September 2024
  • Thumbnail for Psi (Greek)
    Psi /ˈ(p)saɪ, ˈ(p)siː/ (P)SY, (P)SEE (uppercase Ψ, lowercase ψ or 𝛙; Greek: ψι psi [ˈpsi]) is the twenty-third and penultimate letter of the Greek alphabet...
    7 KB (860 words) - 01:34, 7 November 2024
  • Dirac equation (category Quantum field theory)
    _{x}{\begin{bmatrix}+\psi _{4}\\+\psi _{3}\\-\psi _{2}\\-\psi _{1}\end{bmatrix}}+\partial _{y}{\begin{bmatrix}+\psi _{4}\\-\psi _{3}\\-\psi _{2}\\+\psi _{1}\end{bmatrix}}+i\partial...
    78 KB (13,035 words) - 14:51, 5 November 2024
  • highest honour awarded in German research. The cognitive architecture Psi-Theory is developed under his guidance. The Logic of Failure: Recognizing And...
    2 KB (172 words) - 17:19, 8 November 2024
  • two cardiologists, Meyer Friedman and Ray Rosenman, who developed this theory came to believe that Type A personalities had a greater chance of developing...
    34 KB (4,511 words) - 21:40, 19 October 2024
  • Thumbnail for Quantum mechanics
    {\displaystyle \psi _{u}={\begin{pmatrix}0\\1\end{pmatrix}}} , that is, ψ = α ψ l + β ψ u {\displaystyle \psi =\alpha \psi _{l}+\beta \psi _{u}} for complex...
    99 KB (12,082 words) - 22:47, 20 November 2024
  • {1}{2m}}\left(\Psi ^{*}{\hat {\mathbf {p} }}\Psi -\Psi {\hat {\mathbf {p} }}\Psi ^{*}\right)=-{\frac {i\hbar }{2m}}(\psi ^{*}\nabla \psi -\psi \nabla \psi ^{*})={\frac...
    74 KB (10,231 words) - 22:06, 19 November 2024
  • {\displaystyle \left\langle \psi _{nk}^{(0)}|\psi _{nk}^{(1)}\right\rangle =0\,.} The generalization of time-independent perturbation theory to the case where there...
    70 KB (15,969 words) - 10:32, 26 October 2024
  • t}}\psi (q,t)=-\sum _{i=1}^{N}{\frac {\hbar ^{2}}{2m_{i}}}\nabla _{i}^{2}\psi (q,t)+V(q)\psi (q,t).} This completes the specification of the theory for...
    125 KB (16,699 words) - 22:38, 7 November 2024
  • \Psi _{1},\Psi _{2},\Psi _{3}\rangle =\langle Q_{B}\Psi _{1},\Psi _{2},\Psi _{3}\rangle +(-1)^{gn(\Psi _{1})}\langle \Psi _{1},Q_{B}\Psi _{2},\Psi _{3}\rangle...
    36 KB (5,311 words) - 04:19, 7 November 2023
  • physics, type II string theory is a unified term that includes both type IIA strings and type IIB strings theories. Type II string theory accounts for two of...
    9 KB (1,126 words) - 13:58, 28 September 2024
  • smallness of | ψ | {\displaystyle |\psi |} and smallness of its gradients, the free energy density has the form of a field theory and exhibits U(1) gauge symmetry:...
    28 KB (4,193 words) - 16:47, 25 August 2024
  • Thumbnail for Representation theory of the Poincaré group
    ψ | ϕ ⟩ = ψ ¯ ϕ = ψ † γ 0 ϕ {\displaystyle \langle \psi |\phi \rangle ={\bar {\psi }}\phi =\psi ^{\dagger }\gamma _{0}\phi } is preserved. It is not...
    5 KB (584 words) - 13:23, 26 May 2024
  • Thumbnail for Parasocial interaction
    Parasocial interaction (PSI) refers to a kind of psychological relationship experienced by an audience in their mediated encounters with performers in...
    134 KB (16,183 words) - 01:16, 15 November 2024
  • Klein–Gordon equation (category Quantum field theory)
    {\sqrt {-g}}\left(-g^{ab}\nabla _{a}\Psi \nabla _{b}{\bar {\Psi }}-M^{2}\Psi {\bar {\Psi }}\right)} Quantum field theory Quartic interaction Relativistic...
    38 KB (6,552 words) - 19:31, 21 November 2024
  • probability theory) of the observable A for the system in state represented by the unit vector ψ ∈ H is ⟨ ψ | A | ψ ⟩ {\displaystyle \langle \psi |A|\psi \rangle...
    58 KB (8,100 words) - 16:04, 25 November 2024
  • Seiberg–Witten theory. The Lagrangian density for a Dirac field is: L = ψ ¯ ( i ℏ c ∂ /   − m c 2 ) ψ {\displaystyle {\mathcal {L}}={\bar {\psi }}(i\hbar c{\partial...
    35 KB (5,951 words) - 16:28, 19 June 2024
  • Thumbnail for Loop quantum gravity
    quantum theory, namely looking for solutions Ψ {\displaystyle \Psi } of the quantum equations C ^ I Ψ = 0 {\displaystyle {\hat {C}}_{I}\Psi =0} . This...
    114 KB (16,632 words) - 18:05, 15 November 2024
  • Thumbnail for Gauge theory
    {L}}_{\text{QED}}={\bar {\psi }}\left(i\hbar c\,\gamma ^{\mu }D_{\mu }-mc^{2}\right)\psi -{\frac {1}{4\mu _{0}}}F_{\mu \nu }F^{\mu \nu }} Gauge theories are usually...
    47 KB (6,766 words) - 07:11, 30 October 2024
  • Thumbnail for Phenomenal field theory
    Phenomenal field theory is a contribution to the psychology of personality proposed by Donald Snygg and Arthur W. Combs. According to this theory, all behavior...
    3 KB (291 words) - 16:00, 1 March 2022
  • E=mc^{2}\langle \Psi |\beta |\Psi \rangle =mc^{2}\int {\big |}\Psi (1){\big |}^{2}+{\big |}\Psi (2){\big |}^{2}-{\big |}\Psi (3){\big |}^{2}-{\big |}\Psi (4){\big...
    79 KB (10,577 words) - 04:40, 16 November 2024
  • Thumbnail for Cognitive-affective personality system
    Cognitive-affective personality system (category Personality theories)
    accompanying physiological reactions. The cognitive-affective processing system theory attempts to explain seemingly conflicting evidence -- personality remains...
    4 KB (379 words) - 02:18, 10 February 2024
  • c i | 2 = 1. {\displaystyle \langle \psi |\psi \rangle =\sum _{i}\langle \psi |{k_{i}}\rangle \langle k_{i}|\psi \rangle =\sum _{i}\left|c_{i}\right|^{2}=1...
    41 KB (5,496 words) - 00:40, 25 November 2024
  • 0 ⟩ + c 1 | 1 ⟩ , {\displaystyle |\Psi \rangle =c_{0}|0\rangle +c_{1}|1\rangle ,} where | Ψ ⟩ {\displaystyle |\Psi \rangle } is the quantum state of the...
    18 KB (2,471 words) - 00:10, 14 September 2024
  • Neumann–Bernays–Gödel set theory (NBG) is an axiomatic set theory that is a conservative extension of Zermelo–Fraenkel–choice set theory (ZFC). NBG introduces...
    97 KB (15,661 words) - 23:21, 21 November 2024
  • d^{D}x\ \left(a(T)+r(T)\psi ^{2}(x)+s(T)\psi ^{4}(x)\ +f(T)(\nabla \psi (x))^{2}\ +h(x)\psi (x)\ \ +{\mathcal {O}}(\psi ^{6};(\nabla \psi )^{4})\right)} where...
    22 KB (4,105 words) - 16:44, 11 November 2024
  • {\displaystyle \lambda _{i}} will equal ⟨ ψ | P i | ψ ⟩ {\displaystyle \langle \psi |P_{i}|\psi \rangle } , where P i {\displaystyle P_{i}} is the projection onto...
    18 KB (2,267 words) - 17:54, 21 November 2024
  • t / ℏ | ψ ( 0 ) ⟩ {\displaystyle |\psi _{\text{S}}(t)\rangle =\mathrm {e} ^{-\mathrm {i} H_{\text{S}}t/\hbar }|\psi (0)\rangle } be the time-dependent...
    16 KB (2,285 words) - 01:30, 30 August 2024
  • Thumbnail for Pilot wave theory
    position is given by ρ = | ψ | 2   . {\displaystyle \;\rho =|\psi |^{2}~.} Pilot wave theory considers the guidance equation to be the fundamental law, and...
    27 KB (3,436 words) - 18:07, 21 November 2024