sum rule

(redirected from Addition rule)

sum rule

[′səm ‚rül]
(quantum mechanics)
A formula for a transition between energy levels in which the sum of the transition strengths is expressed in a simple form.
References in periodicals archive ?
The encryption process is fully combined with chaos theory and DNA coding theory, by using the chaotic sequence of values, to encode by DNA, and the DNA addition rule of choice.
10) According to (2), generate the sequence of c, and apply a dynamic selection of the eight types of DNA addition rules.
Also, what addition rule should be used for superluminal speeds?
The addition rule of probability states that the probability of either of two mutually exclusive events is the sum of the probabilities of each individual event.
For the addition rule to apply, the events must be mutually exclusive, which means that both events cannot occur simultaneously.
We can assume that the weight losses in the first step fulfilll the addition rule as well.
The parameters fulfill the addition rule, mainly in case of the peak temperature ([PT.
The Tax Courts decision in Home Group challenges the validity of the minimum addition rule under Regs.
Also, Letter Rulings (TAMs) 8009003 and 8031062 held that a $1 addition to the reserve was permissible in years prior to the effective date of the minimum addition rules, even though a much larger deduction was allowable.
The council can approve or disapprove an ordinance, but it cannot make amendments, so Henry asked the Airport Commission on Thursday to approve the curfew expansion as a new, separate ordinance, because it is supported by both sides and can be adopted by the council while more work is done on the ``no addition rule.
Wherever possible, give reasons--maybe using a model, as in the case of the even-odd addition rules.
An annual review of the constituents was conducted in line with the deletion and addition rules of each index, with consideration for the delisting of some constituents due to the formation of holding companies, the publisher of the Nihon Keizai Shimbun financial daily and various other publications.